{"id":52308,"date":"2022-11-16T20:23:52","date_gmt":"2022-11-16T12:23:52","guid":{"rendered":"https:\/\/ocw.nycu.edu.tw\/?post_type=course_page&#038;p=52308"},"modified":"2026-06-30T12:25:39","modified_gmt":"2026-06-30T04:25:39","slug":"%e7%ac%ac%e4%b9%9d%e7%ab%a0-%e5%8b%95%e9%87%8f-systems-of-particles-and-conservation-of-linear-momentum-5-8-collision-in-two-dimensions-the-center-of-mass","status":"publish","type":"course_page","link":"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-science\/department-of-electrophysics\/physics-i-105-academic-year-department-of-electrophysics-prof-wen-bin-jian\/%e7%ac%ac%e4%b9%9d%e7%ab%a0-%e5%8b%95%e9%87%8f-systems-of-particles-and-conservation-of-linear-momentum-5-8-collision-in-two-dimensions-the-center-of-mass","title":{"rendered":"\u7b2c\u4e5d\u7ae0 \u52d5\u91cf Systems of Particles and Conservation of Linear Momentum (5\/8)  , -Collision in Two Dimensions  , -The Center of Mass"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"52308\" class=\"elementor elementor-52308\">\n\t\t\t\t\t\t\t\t\t<section class=\"penci-section penci-disSticky penci-structure-10 elementor-section elementor-top-section elementor-element elementor-element-16700d17 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"16700d17\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"penci-ercol-100 penci-ercol-order-1 penci-sticky-ct    elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1832f798\" data-id=\"1832f798\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4a3731c elementor-widget elementor-widget-breadcrumbs\" data-id=\"4a3731c\" data-element_type=\"widget\" data-widget_type=\"breadcrumbs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<link rel=\"stylesheet\" href=\"https:\/\/ocw.nycu.edu.tw\/wp-content\/plugins\/elementor-pro\/assets\/css\/widget-theme-elements.min.css\"><p id=\"breadcrumbs\"><span><span><a href=\"https:\/\/ocw.nycu.edu.tw\/\">Homepage<\/a><\/span><\/span><\/p>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"penci-section penci-disSticky penci-structure-20 elementor-section elementor-top-section elementor-element elementor-element-6ad968e6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6ad968e6\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"penci-ercol-50 penci-ercol-order-1 penci-sticky-ct    elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-52987d63\" data-id=\"52987d63\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e5808cb elementor-widget elementor-widget-heading\" data-id=\"e5808cb\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.13.3 - 28-05-2023 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h2 class=\"elementor-heading-title elementor-size-default\">\u7b2c\u4e5d\u7ae0 \u52d5\u91cf Systems of Particles and Conservation of Linear Momentum (5\/8)  , -Collision in Two Dimensions  , -The Center of Mass\n<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7aec5b11 elementor-widget elementor-widget-video\" data-id=\"7aec5b11\" data-element_type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/youtu.be\\\/C8d6moipr74&quot;,&quot;modestbranding&quot;:&quot;yes&quot;,&quot;lazy_load&quot;:&quot;yes&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.13.3 - 28-05-2023 *\/\n.elementor-widget-video .elementor-widget-container{overflow:hidden;transform:translateZ(0)}.elementor-widget-video .elementor-wrapper{aspect-ratio:var(--video-aspect-ratio)}.elementor-widget-video .elementor-wrapper iframe,.elementor-widget-video .elementor-wrapper video{height:100%;width:100%;display:flex;border:none;background-color:#000}@supports not (aspect-ratio:1\/1){.elementor-widget-video .elementor-wrapper{position:relative;overflow:hidden;height:0;padding-bottom:calc(100% \/ var(--video-aspect-ratio))}.elementor-widget-video .elementor-wrapper iframe,.elementor-widget-video .elementor-wrapper video{position:absolute;top:0;right:0;bottom:0;left:0}}.elementor-widget-video .elementor-open-inline .elementor-custom-embed-image-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background-size:cover;background-position:50%}.elementor-widget-video .elementor-custom-embed-image-overlay{cursor:pointer;text-align:center}.elementor-widget-video .elementor-custom-embed-image-overlay:hover .elementor-custom-embed-play i{opacity:1}.elementor-widget-video .elementor-custom-embed-image-overlay img{display:block;width:100%}.elementor-widget-video .e-hosted-video .elementor-video{-o-object-fit:cover;object-fit:cover}.e-con-inner>.elementor-widget-video,.e-con>.elementor-widget-video{width:var(--container-widget-width);--flex-grow:var(--container-widget-flex-grow)}<\/style>\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"penci-section penci-disSticky penci-structure-20 elementor-section elementor-inner-section elementor-element elementor-element-7c450277 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7c450277\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"penci-ercol-50 penci-ercol-order-1 penci-sticky-ct    elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-48607404\" data-id=\"48607404\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-652aa46c elementor-widget elementor-widget-penci-button\" data-id=\"652aa46c\" data-element_type=\"widget\" data-widget_type=\"penci-button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"pcbtn-wrapper pcbtn-align-left\">\r\n\t\t\t<a class=\"pcbtn pcbtn-icon-left elementor-animation-grow\" href=\"\/?post_type=course_page&#038;p=47154\">\r\n\t\t\t\t<span class=\"pcbtn-wrapperin\">\r\n\t\t\t\t\t<span class=\"pcbtn-content\"><svg class=\"e-font-icon-svg e-fas-arrow-left\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M257.5 445.1l-22.2 22.2c-9.4 9.4-24.6 9.4-33.9 0L7 273c-9.4-9.4-9.4-24.6 0-33.9L201.4 44.7c9.4-9.4 24.6-9.4 33.9 0l22.2 22.2c9.5 9.5 9.3 25-.4 34.3L136.6 216H424c13.3 0 24 10.7 24 24v32c0 13.3-10.7 24-24 24H136.6l120.5 114.8c9.8 9.3 10 24.8.4 34.3z\"><\/path><\/svg>Back to Course Homepage<\/span>\r\n\t\t\t\t\t\t\t\t\t<\/span>\r\n\t\t\t<\/a>\r\n\t\t<\/div>\r\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"penci-ercol-50 penci-ercol-order-2 penci-sticky-ct    elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-fc8fc3b\" data-id=\"fc8fc3b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-546b36ef elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"546b36ef\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.13.3 - 28-05-2023 *\/\n.elementor-widget-divider{--divider-border-style:none;--divider-border-width:1px;--divider-color:#0c0d0e;--divider-icon-size:20px;--divider-element-spacing:10px;--divider-pattern-height:24px;--divider-pattern-size:20px;--divider-pattern-url:none;--divider-pattern-repeat:repeat-x}.elementor-widget-divider .elementor-divider{display:flex}.elementor-widget-divider .elementor-divider__text{font-size:15px;line-height:1;max-width:95%}.elementor-widget-divider .elementor-divider__element{margin:0 var(--divider-element-spacing);flex-shrink:0}.elementor-widget-divider .elementor-icon{font-size:var(--divider-icon-size)}.elementor-widget-divider .elementor-divider-separator{display:flex;margin:0;direction:ltr}.elementor-widget-divider--view-line_icon .elementor-divider-separator,.elementor-widget-divider--view-line_text .elementor-divider-separator{align-items:center}.elementor-widget-divider--view-line_icon .elementor-divider-separator:after,.elementor-widget-divider--view-line_icon .elementor-divider-separator:before,.elementor-widget-divider--view-line_text .elementor-divider-separator:after,.elementor-widget-divider--view-line_text .elementor-divider-separator:before{display:block;content:\"\";border-bottom:0;flex-grow:1;border-top:var(--divider-border-width) var(--divider-border-style) var(--divider-color)}.elementor-widget-divider--element-align-left .elementor-divider .elementor-divider-separator>.elementor-divider__svg:first-of-type{flex-grow:0;flex-shrink:100}.elementor-widget-divider--element-align-left .elementor-divider-separator:before{content:none}.elementor-widget-divider--element-align-left .elementor-divider__element{margin-left:0}.elementor-widget-divider--element-align-right .elementor-divider .elementor-divider-separator>.elementor-divider__svg:last-of-type{flex-grow:0;flex-shrink:100}.elementor-widget-divider--element-align-right .elementor-divider-separator:after{content:none}.elementor-widget-divider--element-align-right .elementor-divider__element{margin-right:0}.elementor-widget-divider:not(.elementor-widget-divider--view-line_text):not(.elementor-widget-divider--view-line_icon) .elementor-divider-separator{border-top:var(--divider-border-width) var(--divider-border-style) var(--divider-color)}.elementor-widget-divider--separator-type-pattern{--divider-border-style:none}.elementor-widget-divider--separator-type-pattern.elementor-widget-divider--view-line .elementor-divider-separator,.elementor-widget-divider--separator-type-pattern:not(.elementor-widget-divider--view-line) .elementor-divider-separator:after,.elementor-widget-divider--separator-type-pattern:not(.elementor-widget-divider--view-line) .elementor-divider-separator:before,.elementor-widget-divider--separator-type-pattern:not([class*=elementor-widget-divider--view]) .elementor-divider-separator{width:100%;min-height:var(--divider-pattern-height);-webkit-mask-size:var(--divider-pattern-size) 100%;mask-size:var(--divider-pattern-size) 100%;-webkit-mask-repeat:var(--divider-pattern-repeat);mask-repeat:var(--divider-pattern-repeat);background-color:var(--divider-color);-webkit-mask-image:var(--divider-pattern-url);mask-image:var(--divider-pattern-url)}.elementor-widget-divider--no-spacing{--divider-pattern-size:auto}.elementor-widget-divider--bg-round{--divider-pattern-repeat:round}.rtl .elementor-widget-divider .elementor-divider__text{direction:rtl}.e-con-inner>.elementor-widget-divider,.e-con>.elementor-widget-divider{width:var(--container-widget-width,100%);--flex-grow:var(--container-widget-flex-grow)}<\/style>\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-da19150 elementor-widget elementor-widget-shortcode\" data-id=\"da19150\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-shortcode\">\n<table id=\"tablepress-127\" class=\"tablepress tablepress-id-127\">\n<thead>\n<tr class=\"row-1 odd\">\n\t<th class=\"column-1\">Week<\/th><th class=\"column-2\">Course Content<\/th><th class=\"column-3\">Course Video<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-hover\">\n<tr class=\"row-2 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u8ab2\u7a0b\u4ecb\u7d39 <\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=47168\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-3 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c0\u7ae0 \u6578\u5b78 (1\/7)  <br \/>\n-Quadratic Equation (\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0b\u5f0f\u7684\u6839)  <br \/>\n-Linear Equations (\u4e8c\u5143\u4e00\u6b21\u6216\u4e09\u5143\u4e00\u6b21\u806f\u7acb\u65b9\u7a0b\u7d44)  <br \/>\n-Binomial Series (\u4e8c\u9805\u5f0f\u5b9a\u7406)<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=51968\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-4 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c0\u7ae0 \u6578\u5b78 (2\/7)  <br \/>\n-Powers, Exponents (\u6307\u6578\u51fd\u6578)  <br \/>\n-Logarithms (\u5c0d\u6578\u51fd\u6578)<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=51982\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-5 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c0\u7ae0 \u6578\u5b78 (3\/7)  <br \/>\n-Trigonal Functions (\u4e09\u89d2\u51fd\u6578)<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=51987\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-6 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c0\u7ae0 \u6578\u5b78 (4\/7)  <br \/>\n-Differential Calculus (\u5fae\u5206)  <br \/>\n-Partial Differential Calculus (\u504f\u5fae\u5206)<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=51993\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-7 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c0\u7ae0 \u6578\u5b78 (5\/7)  <br \/>\n-Taylor Expansion (\u6cf0\u52d2\u5c55\u958b)<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=51999\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-8 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c0\u7ae0 \u6578\u5b78 (6\/7)  <br \/>\n-Complex Numbers (\u8907\u6578)  <br \/>\n-Integration (\u7a4d\u5206)<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52005\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-9 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c0\u7ae0 \u6578\u5b78 (7\/7)  <br \/>\n-First Order Differential Equation (\u4e00\u968e\u5fae\u5206\u65b9\u7a0b)  <br \/>\n-Second Order Differential Equation (\u4e8c\u968e\u5fae\u5206\u65b9\u7a0b)<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52011\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-10 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e00\u7ae0 \u6e2c\u91cf Physics and Measurements (1\/4)  <br \/>\n-Measurement Standard <br \/>\n- Length, Mass, and Time<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52017\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-11 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e00\u7ae0 \u6e2c\u91cf Physics and Measurements (2\/4)  <br \/>\n-Measurement Standard <br \/>\n- Length, Mass, and Time<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52028\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-12 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e00\u7ae0 \u6e2c\u91cf Physics and Measurements (3\/4)  <br \/>\n-Matter and Physical Model  <br \/>\n-Dimensional Analysis<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52033\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-13 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e00\u7ae0 \u6e2c\u91cf Physics and Measurements (4\/4)  <br \/>\n-Unit Conversion  <br \/>\n-Estimates and Order of Magnitude  <br \/>\n-Significant Figures<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52039\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-14 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e8c\u7ae0 \u4e00\u7dad\u904b\u52d5 Motion In One Dimension (1\/5)  <br \/>\n-Position, Velocity and Speed<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52045\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-15 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e8c\u7ae0 \u4e00\u7dad\u904b\u52d5 Motion In One Dimension (2\/5)  <br \/>\n-Instantaneous Velocity and Speed  <br \/>\n-Motion with Constant Velocity<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52051\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-16 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e8c\u7ae0 \u4e00\u7dad\u904b\u52d5 Motion In One Dimension (3\/5)  <br \/>\n-Motion with Constant Velocity  <br \/>\n-Acceleration  <br \/>\n-Motion Diagram<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52057\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-17 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e8c\u7ae0 \u4e00\u7dad\u904b\u52d5 Motion In One Dimension (4\/5)  <br \/>\n-Motion with Constant Acceleration<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52063\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-18 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e8c\u7ae0 \u4e00\u7dad\u904b\u52d5 Motion In One Dimension (5\/5)  <br \/>\n-Motion with Constant Acceleration  <br \/>\n-Freely Falling Object<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52069\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-19 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u56db\u7ae0 \u5411\u91cf\u8207\u4e8c\u7dad\u904b\u52d5 Motion In Two Dimensions (1\/5)Vectors<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52079\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-20 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u56db\u7ae0 \u5411\u91cf\u8207\u4e8c\u7dad\u904b\u52d5 Motion In Two Dimensions (2\/5)  <br \/>\n-Position, Velocity and Acceleration  <br \/>\n-2D Motion with Constant Acceleration<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52085\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-21 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u56db\u7ae0 \u5411\u91cf\u8207\u4e8c\u7dad\u904b\u52d5 Motion In Two Dimensions (3\/5)  <br \/>\n-Projectile Motion<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52091\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-22 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u56db\u7ae0 \u5411\u91cf\u8207\u4e8c\u7dad\u904b\u52d5 Motion In Two Dimensions (4\/5)  <br \/>\n-Uniform Circular Motion  <br \/>\n-Tangential and Radial Acceleration<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52097\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-23 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u56db\u7ae0 \u5411\u91cf\u8207\u4e8c\u7dad\u904b\u52d5 Motion In Two Dimensions (5\/5)  <br \/>\n-Relative Velocity<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52103\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-24 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e94\u7ae0 \u904b\u52d5\u5b9a\u5f8b The Laws of Motion (1\/6)  <br \/>\n-The Concept of Force  <br \/>\n-Inertia Frame and Newton's First Law  <br \/>\n-Mass<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52109\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-25 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e94\u7ae0 \u904b\u52d5\u5b9a\u5f8b The Laws of Motion (2\/6)  <br \/>\n-Newton's Second Law<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52115\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-26 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e94\u7ae0 \u904b\u52d5\u5b9a\u5f8b The Laws of Motion (3\/6)  <br \/>\n-Gravitation Force and Weight  <br \/>\n-Newton's Third Law<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52121\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-27 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e94\u7ae0 \u904b\u52d5\u5b9a\u5f8b The Laws of Motion (4\/6)  <br \/>\n-The Fundamental Forces  <br \/>\n-Application of Newton's Law<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52131\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-28 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e94\u7ae0 \u904b\u52d5\u5b9a\u5f8b The Laws of Motion (5\/6)  <br \/>\n-Application of Newton's Law<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52137\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-29 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e94\u7ae0 \u904b\u52d5\u5b9a\u5f8b The Laws of Motion (6\/6)  <br \/>\n-Frictional Forces<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52143\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-30 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u516d\u7ae0 \u5713\u5468\u904b\u52d5\u8207\u5176\u61c9\u7528 Circular Motion and Other Applications (1\/7)  <br \/>\n-Newton's Second Law in Uniform Circular Motion<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52149\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-31 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u516d\u7ae0 \u5713\u5468\u904b\u52d5\u8207\u5176\u61c9\u7528 Circular Motion and Other Applications (2\/7)  <br \/>\n-Newton's Second Law in Uniform Circular Motion<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52155\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-32 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u516d\u7ae0 \u5713\u5468\u904b\u52d5\u8207\u5176\u61c9\u7528 Circular Motion and Other Applications (3\/7)  <br \/>\n-Nonuniform Circular Motion<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52161\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-33 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u516d\u7ae0 \u5713\u5468\u904b\u52d5\u8207\u5176\u61c9\u7528 Circular Motion and Other Applications (4\/7)  <br \/>\n-Motion in Accelerated Frames<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52167\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-34 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u516d\u7ae0 \u5713\u5468\u904b\u52d5\u8207\u5176\u61c9\u7528 Circular Motion and Other Applications (5\/7)  <br \/>\n-Motion in The Presence of Resistive Force<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52173\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-35 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u516d\u7ae0 \u5713\u5468\u904b\u52d5\u8207\u5176\u61c9\u7528 Circular Motion and Other Applications (6\/7)  <br \/>\n-Motion in The Presence of Resistive Force<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52179\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-36 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u516d\u7ae0 \u5713\u5468\u904b\u52d5\u8207\u5176\u61c9\u7528 Circular Motion and Other Applications (7\/7)  <br \/>\n-Numerical Integration <br \/>\n- Euler's Methods<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52185\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-37 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e03\u7ae0 \u80fd\u91cf Energy of A System (1\/8)  <br \/>\n-Systems and Environments<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52191\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-38 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e03\u7ae0 \u80fd\u91cf Energy of A System (2\/8)  <br \/>\n-The Scalar Product of Vectors<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52197\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-39 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e03\u7ae0 \u80fd\u91cf Energy of A System (3\/8)  <br \/>\n-Work Done by a Constant Force  <br \/>\n-Work Done by a Varying Force<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52204\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-40 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e03\u7ae0 \u80fd\u91cf Energy of A System (4\/8)  <br \/>\n-Work Done by a Varying Force  <br \/>\n-Work <br \/>\n- Kinetic Energy Theorem<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52210\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-41 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e03\u7ae0 \u80fd\u91cf Energy of A System (5\/8)  <br \/>\n-Potential Energy<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52216\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-42 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e03\u7ae0 \u80fd\u91cf Energy of A System (6\/8)  <br \/>\n-Conservative Forces<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52222\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-43 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e03\u7ae0 \u80fd\u91cf Energy of A System (7\/8)  <br \/>\n-Relation Between Potential Energy and Conservative Forces  <br \/>\n-Energy Diagram and Equilibrium<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52228\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-44 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e03\u7ae0 \u80fd\u91cf Energy of A System (8\/8)  <br \/>\n-Energy Diagram and Equilibrium<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52234\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-45 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u516b\u7ae0 \u80fd\u91cf\u5b88\u6046 Conservation of Energy (1\/6)  <br \/>\n-Nonisolated System  <br \/>\n-Other Energy Transfer<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52240\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-46 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u516b\u7ae0 \u80fd\u91cf\u5b88\u6046 Conservation of Energy (2\/6)  <br \/>\n-Nonisolated System <br \/>\n- Other Energy Transfer<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52246\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-47 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u516b\u7ae0 \u80fd\u91cf\u5b88\u6046 Conservation of Energy (3\/6)  <br \/>\n-Isolated System<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52252\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-48 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u516b\u7ae0 \u80fd\u91cf\u5b88\u6046 Conservation of Energy (4\/6)  <br \/>\n-Isolated System<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52258\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-49 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u516b\u7ae0 \u80fd\u91cf\u5b88\u6046 Conservation of Energy (5\/6)  <br \/>\n-Energy Concept for Non<br \/>\n-Conservative Forces <br \/>\n- Kinetic Friction<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52264\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-50 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u516b\u7ae0 \u80fd\u91cf\u5b88\u6046 Conservation of Energy (6\/6)  <br \/>\n-Power<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52270\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-51 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e5d\u7ae0 \u52d5\u91cf Systems of Particles and Conservation of Linear Momentum (1\/8)  <br \/>\n-Linear Momentum and Its Conservation<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52284\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-52 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e5d\u7ae0 \u52d5\u91cf Systems of Particles and Conservation of Linear Momentum (2\/8)  <br \/>\n-Impulse  <br \/>\n-Collision in One Dimension<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52290\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-53 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e5d\u7ae0 \u52d5\u91cf Systems of Particles and Conservation of Linear Momentum (3\/8)  <br \/>\n-Collision in One Dimension<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52296\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-54 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e5d\u7ae0 \u52d5\u91cf Systems of Particles and Conservation of Linear Momentum (4\/8)  <br \/>\n-Collision in One Dimension<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52302\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-55 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e5d\u7ae0 \u52d5\u91cf Systems of Particles and Conservation of Linear Momentum (5\/8)  <br \/>\n-Collision in Two Dimensions  <br \/>\n-The Center of Mass<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52308\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-56 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e5d\u7ae0 \u52d5\u91cf Systems of Particles and Conservation of Linear Momentum (6\/8)  <br \/>\n-The Center of Mass<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52314\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-57 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e5d\u7ae0 \u52d5\u91cf Systems of Particles and Conservation of Linear Momentum (7\/8)  <br \/>\n-Motion of A System of Particles<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52320\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-58 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e5d\u7ae0 \u52d5\u91cf Systems of Particles and Conservation of Linear Momentum (8\/8)  <br \/>\n-Deformable Systems  <br \/>\n-Rocket Propulsion<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52326\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-59 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u7ae0 \u8f49\u52d5\u6163\u91cf Rotation of A Rigid Object About A Fixed Axis (1\/10)  <br \/>\n-Angular Position, Velocity and Acceleration  <br \/>\n-Rotational Kinematics<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52332\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-60 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u7ae0 \u8f49\u52d5\u6163\u91cf Rotation of A Rigid Object About A Fixed Axis (2\/10)  <br \/>\n-Angular and Translational Quantities  <br \/>\n-Rotational Kinetic Energy<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52338\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-61 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u7ae0 \u8f49\u52d5\u6163\u91cf Rotation of A Rigid Object About A Fixed Axis (3\/10)  <br \/>\n-Calculation of Moments of Inertia<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52344\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-62 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u7ae0 \u8f49\u52d5\u6163\u91cf Rotation of A Rigid Object About A Fixed Axis (4\/10)  <br \/>\n-Calculation of Moments of Inertia<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52350\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-63 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u7ae0 \u8f49\u52d5\u6163\u91cf Rotation of A Rigid Object About A Fixed Axis (5\/10)  <br \/>\n-Calculation of Moments of Inertia<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52356\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-64 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u7ae0 \u8f49\u52d5\u6163\u91cf Rotation of A Rigid Object About A Fixed Axis (6\/10)  <br \/>\n-Calculation of Moments of Inertia<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52362\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-65 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u7ae0 \u8f49\u52d5\u6163\u91cf Rotation of A Rigid Object About A Fixed Axis (7\/10)  <br \/>\n-Calculation of Moments of Inertia<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52368\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-66 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u7ae0 \u8f49\u52d5\u6163\u91cf Rotation of A Rigid Object About A Fixed Axis (8\/10)  <br \/>\n-Torque  <br \/>\n-The Rigid Body Under A Net Torque<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52374\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-67 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u7ae0 \u8f49\u52d5\u6163\u91cf Rotation of A Rigid Object About A Fixed Axis (9\/10)  <br \/>\n-Rotational Energy<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52380\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-68 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u7ae0 \u8f49\u52d5\u6163\u91cf Rotation of A Rigid Object About A Fixed Axis (10\/10)  <br \/>\n-Rolling Motion<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52386\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-69 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u4e00\u7ae0 \u8f49\u52d5\u6163\u91cf\u5b88\u6046 Conservation of Angular Momentum (1\/5)  <br \/>\n-Vector Product  <br \/>\n-Angular Momentum and Torque<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52392\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-70 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u4e00\u7ae0 \u8f49\u52d5\u6163\u91cf\u5b88\u6046 Conservation of Angular Momentum (2\/5)  <br \/>\n-Angular Momentum and Torque<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52398\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-71 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u4e00\u7ae0 \u8f49\u52d5\u6163\u91cf\u5b88\u6046 Conservation of Angular Momentum (3\/5)  <br \/>\n-Conservation of Angular Momentum<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52404\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-72 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u4e00\u7ae0 \u8f49\u52d5\u6163\u91cf\u5b88\u6046 Conservation of Angular Momentum (4\/5)  <br \/>\n-The Motion of Gyroscopes and Tops<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52410\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-73 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u4e00\u7ae0 \u8f49\u52d5\u6163\u91cf\u5b88\u6046 Conservation of Angular Momentum (5\/5)  <br \/>\n-Quantization of Angular Momentum<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52416\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-74 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u4e8c\u7ae0 \u975c\u529b\u5e73\u8861 Static Equilibrium and Elasticity (1\/4)  <br \/>\n-The Rigid Body in Equilibrium  <br \/>\n-The Center of Gravity<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52422\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-75 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u4e8c\u7ae0 \u975c\u529b\u5e73\u8861 Static Equilibrium and Elasticity (2\/4)  <br \/>\n-Examples of Rigid Body in Equilibrium<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52428\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-76 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u4e8c\u7ae0 \u975c\u529b\u5e73\u8861 Static Equilibrium and Elasticity (3\/4)  <br \/>\n-Examples of Rigid Body in Equilibrium<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52434\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-77 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u4e8c\u7ae0 \u975c\u529b\u5e73\u8861 Static Equilibrium and Elasticity (4\/4)  <br \/>\n-Elastic Properties of Solids<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52440\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-78 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u56db\u7ae0 \u6d41\u9ad4\u529b\u5b78 Fluids (1\/5)  <br \/>\n-Pressure  <br \/>\n-Variation of Pressure with Depth<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52446\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-79 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u56db\u7ae0 \u6d41\u9ad4\u529b\u5b78 Fluids (2\/5)  <br \/>\n-Variation of Pressure with Depth<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52452\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-80 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u56db\u7ae0 \u6d41\u9ad4\u529b\u5b78 Fluids (3\/5)  <br \/>\n-Pressure Measurements  <br \/>\n-Buoyancy Forces and Archimede's Principle<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52458\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-81 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u56db\u7ae0 \u6d41\u9ad4\u529b\u5b78 Fluids (4\/5)  <br \/>\n-Buoyancy Forces and Archimede's Principle  <br \/>\n-Fluid Dynamics<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52464\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-82 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u56db\u7ae0 \u6d41\u9ad4\u529b\u5b78 Fluids (5\/5)  <br \/>\n-Bernoulli's Equation  <br \/>\n-Other Applications<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52470\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-83 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u4e94\u7ae0 \u7c21\u8ae7\u632f\u52d5 Oscillation Motion (1\/6)  <br \/>\n-Motion of An Object Attached to A Spring  <br \/>\n-Simple Harmonic Motion<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52476\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-84 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u4e94\u7ae0 \u7c21\u8ae7\u632f\u52d5 Oscillation Motion (2\/6)  <br \/>\n-Simple Harmonic Motion<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52482\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-85 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u4e94\u7ae0 \u7c21\u8ae7\u632f\u52d5 Oscillation Motion (3\/6)  <br \/>\n-Energy of A Simple Harmonic Oscillator  <br \/>\n-Simple Harmonic Oscillator Versus Uniform Circular Motion<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52488\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-86 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u4e94\u7ae0 \u7c21\u8ae7\u632f\u52d5 Oscillation Motion (4\/6)  <br \/>\n-The Pendulum<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52494\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-87 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u4e94\u7ae0 \u7c21\u8ae7\u632f\u52d5 Oscillation Motion (5\/6)  <br \/>\n-Damped Oscillation<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52500\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-88 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u4e94\u7ae0 \u7c21\u8ae7\u632f\u52d5 Oscillation Motion (6\/6)  <br \/>\n-Forced Oscillation<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52506\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-89 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u516d\u7ae0 \u6ce2\u52d5 Wave Motion (1\/5)  <br \/>\n-Propagation of A Disturbance<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52512\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-90 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u516d\u7ae0 \u6ce2\u52d5 Wave Motion (2\/5)  <br \/>\n-Traveling Wave Model<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52518\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-91 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u516d\u7ae0 \u6ce2\u52d5 Wave Motion (3\/5)  <br \/>\n-The Speed of Waves<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52524\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-92 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u516d\u7ae0 \u6ce2\u52d5 Wave Motion (4\/5)  <br \/>\n-The Speed of Waves  <br \/>\n-Reflection and Transmission<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52530\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-93 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u516d\u7ae0 \u6ce2\u52d5 Wave Motion (5\/5)  <br \/>\n-Rate of Energy Transferred by Waves on Strings  <br \/>\n-The Wave Equation<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52536\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-94 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u516b\u7ae0 \u99d0\u6ce2 Superposition and Standing Waves (1\/7)  <br \/>\n-Superposition and Interference<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52542\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-95 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u516b\u7ae0 \u99d0\u6ce2 Superposition and Standing Waves (2\/7)  <br \/>\n-Superposition and Interference<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52548\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-96 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u516b\u7ae0 \u99d0\u6ce2 Superposition and Standing Waves (3\/7)  <br \/>\n-Standing Waves  <br \/>\n-Standing Waves in Strings Fixed at Both Ends<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52554\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-97 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u516b\u7ae0 \u99d0\u6ce2 Superposition and Standing Waves (4\/7)  <br \/>\n-Standing Waves in Strings Fixed at Both Ends<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52560\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-98 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u516b\u7ae0 \u99d0\u6ce2 Superposition and Standing Waves (5\/7)  <br \/>\n-Standing Waves in Air Columns  <br \/>\n-Beats: Interference in Time<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52566\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-99 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u516b\u7ae0 \u99d0\u6ce2 Superposition and Standing Waves (6\/7)  <br \/>\n-Non-sinusoidal Wave Patterns<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52572\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-100 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u516b\u7ae0 \u99d0\u6ce2 Superposition and Standing Waves (7\/7)  <br \/>\n-Non-sinusoidal Wave Patterns<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52578\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-101 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u4e5d\u7ae0 \u6eab\u5ea6 Temperature (1\/4)  <br \/>\n-Temperature and The 0th Law of Thermodynamics<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52584\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-102 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u4e5d\u7ae0 \u6eab\u5ea6 Temperature (2\/4)  <br \/>\n-Thermometers and The Celsius<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52590\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-103 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u4e5d\u7ae0 \u6eab\u5ea6 Temperature (3\/4)  <br \/>\n-The Absolute Temperature Scale  <br \/>\n-Thermal Expansion of Solids and Liquids<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52596\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-104 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u5341\u4e5d\u7ae0 \u6eab\u5ea6 Temperature (4\/4)  <br \/>\n-Thermal Expansion of Solids and Liquids  <br \/>\n-Thermodynamics of an Ideal Gas<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52602\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-105 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e8c\u5341\u7ae0 \u71b1\u529b\u5b78\u7b2c\u4e00\u5b9a\u5f8b The First Law of Thermodynamics (1\/7)  <br \/>\n-Heat and Internal Energy<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52608\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-106 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e8c\u5341\u7ae0 \u71b1\u529b\u5b78\u7b2c\u4e00\u5b9a\u5f8b The First Law of Thermodynamics (2\/7)  <br \/>\n-Specific Heat and Calorimetry<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52614\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-107 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e8c\u5341\u7ae0 \u71b1\u529b\u5b78\u7b2c\u4e00\u5b9a\u5f8b The First Law of Thermodynamics (3\/7)  <br \/>\n-Latent Heat  <br \/>\n-Work and Heat in Thermodynamics<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52620\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-108 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e8c\u5341\u7ae0 \u71b1\u529b\u5b78\u7b2c\u4e00\u5b9a\u5f8b The First Law of Thermodynamics (4\/7)  <br \/>\n-Work and Heat in Thermodynamics<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52626\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-109 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e8c\u5341\u7ae0 \u71b1\u529b\u5b78\u7b2c\u4e00\u5b9a\u5f8b The First Law of Thermodynamics (5\/7)  <br \/>\n-The First Law of Thermodynamics  <br \/>\n-Some Applications of The 1st Law  <br \/>\n-Thermal Energy Transfer<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52632\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-110 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e8c\u5341\u7ae0 \u71b1\u529b\u5b78\u7b2c\u4e00\u5b9a\u5f8b The First Law of Thermodynamics (6\/7)  <br \/>\n-Thermal Energy Transfer<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52638\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-111 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e8c\u5341\u7ae0 \u71b1\u529b\u5b78\u7b2c\u4e00\u5b9a\u5f8b The First Law of Thermodynamics (7\/7)  <br \/>\n-Thermal Energy Transfer<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52644\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-112 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e8c\u5341\u4e00\u7ae0 \u6c23\u9ad4\u52d5\u529b\u5b78 The Kinetic Theory of Gases (1\/8)  <br \/>\n-Molecular Model of an Ideal Gas<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52650\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-113 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e8c\u5341\u4e00\u7ae0 \u6c23\u9ad4\u52d5\u529b\u5b78 The Kinetic Theory of Gases (2\/8)  <br \/>\n-Molecular Model of an Ideal Gas<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52656\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-114 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e8c\u5341\u4e00\u7ae0 \u6c23\u9ad4\u52d5\u529b\u5b78 The Kinetic Theory of Gases (3\/8)  <br \/>\n-Molar Specific Heat of an Ideal Gas<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52662\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-115 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e8c\u5341\u4e00\u7ae0 \u6c23\u9ad4\u52d5\u529b\u5b78 The Kinetic Theory of Gases (4\/8)  <br \/>\n-Adiabatic Processes for an Ideal Gas<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52668\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-116 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e8c\u5341\u4e00\u7ae0 \u6c23\u9ad4\u52d5\u529b\u5b78 The Kinetic Theory of Gases (5\/8)  <br \/>\n-The Equipartition of Energy<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52674\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-117 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e8c\u5341\u4e00\u7ae0 \u6c23\u9ad4\u52d5\u529b\u5b78 The Kinetic Theory of Gases (6\/8)  <br \/>\n-Distribution of Molecular Speed<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52680\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-118 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e8c\u5341\u4e00\u7ae0 \u6c23\u9ad4\u52d5\u529b\u5b78 The Kinetic Theory of Gases (7\/8)  <br \/>\n-Distribution of Molecular Speed<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52686\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-119 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e8c\u5341\u4e00\u7ae0 \u6c23\u9ad4\u52d5\u529b\u5b78 The Kinetic Theory of Gases (8\/8)  <br \/>\n-Distribution of Molecular Speed<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52692\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-120 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e8c\u5341\u4e8c\u7ae0 \u71b1\u529b\u5b78\u7b2c\u4e8c\u5b9a\u5f8b Heat Engines, Entropy and The Second Law of Thermodynamics (1\/6)  <br \/>\n-Heat Engines and The Second Law of Thermodynamics  <br \/>\n-Heat Pumps and Refrigerators<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52698\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-121 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e8c\u5341\u4e8c\u7ae0 \u71b1\u529b\u5b78\u7b2c\u4e8c\u5b9a\u5f8b Heat Engines, Entropy and The Second Law of Thermodynamics (2\/6)  <br \/>\n-Reversible and Irreversible Processes  <br \/>\n-The Carnot Engine<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52704\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-122 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e8c\u5341\u4e8c\u7ae0 \u71b1\u529b\u5b78\u7b2c\u4e8c\u5b9a\u5f8b Heat Engines, Entropy and The Second Law of Thermodynamics (3\/6)  <br \/>\n-The Carnot Engine<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52710\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-123 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e8c\u5341\u4e8c\u7ae0 \u71b1\u529b\u5b78\u7b2c\u4e8c\u5b9a\u5f8b Heat Engines, Entropy and The Second Law of Thermodynamics (4\/6)  <br \/>\n-Gasoline and Diesel Engines<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52716\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-124 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e8c\u5341\u4e8c\u7ae0 \u71b1\u529b\u5b78\u7b2c\u4e8c\u5b9a\u5f8b Heat Engines, Entropy and The Second Law of Thermodynamics (5\/6)  <br \/>\n-Entropy and Its Changes in Irreversible Processes<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52722\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-125 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">\u7b2c\u4e8c\u5341\u4e8c\u7ae0 \u71b1\u529b\u5b78\u7b2c\u4e8c\u5b9a\u5f8b Heat Engines, Entropy and The Second Law of Thermodynamics (6\/6)  <br \/>\n-Entropy and Its Changes in Irreversible Processes  <br \/>\n-Entropy on a Microscopic Scale<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=52728\">Watch Online<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-127 from cache --><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"penci-ercol-50 penci-ercol-order-3 penci-sticky-ct    elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-5f099062\" data-id=\"5f099062\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5b79cc32 elementor-widget-divider--view-line_text elementor-widget-divider--element-align-center elementor-widget elementor-widget-divider\" data-id=\"5b79cc32\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t\t<span class=\"elementor-divider__text elementor-divider__element\">\n\t\t\t\tCOURSE\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-382e67d7 elementor-nav-menu__text-align-center elementor-nav-menu__align-left elementor-nav-menu--dropdown-tablet elementor-nav-menu--toggle elementor-nav-menu--burger elementor-widget elementor-widget-nav-menu\" data-id=\"382e67d7\" data-element_type=\"widget\" data-settings=\"{&quot;layout&quot;:&quot;vertical&quot;,&quot;submenu_icon&quot;:{&quot;value&quot;:&quot;&lt;svg class=\\&quot;e-font-icon-svg e-fas-caret-down\\&quot; viewBox=\\&quot;0 0 320 512\\&quot; xmlns=\\&quot;http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\&quot;&gt;&lt;path d=\\&quot;M31.3 192h257.3c17.8 0 26.7 21.5 14.1 34.1L174.1 354.8c-7.8 7.8-20.5 7.8-28.3 0L17.2 226.1C4.6 213.5 13.5 192 31.3 192z\\&quot;&gt;&lt;\\\/path&gt;&lt;\\\/svg&gt;&quot;,&quot;library&quot;:&quot;fa-solid&quot;},&quot;toggle&quot;:&quot;burger&quot;}\" data-widget_type=\"nav-menu.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<link rel=\"stylesheet\" href=\"https:\/\/ocw.nycu.edu.tw\/wp-content\/uploads\/elementor\/css\/custom-pro-widget-nav-menu.min.css?ver=1776064852\">\t\t\t<nav class=\"elementor-nav-menu--main elementor-nav-menu__container elementor-nav-menu--layout-vertical e--pointer-double-line e--animation-slide\">\n\t\t\t\t<ul id=\"menu-1-382e67d7\" class=\"elementor-nav-menu sm-vertical\"><li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-121577\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/self-learning-courses-for-high-school-students\" class=\"elementor-item\">Self-learning courses for high school students<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-121578\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/pre-university-courses\" class=\"elementor-item\">Pre-University Courses<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-5381\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-science\" class=\"elementor-item\">College of Science<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-5377\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-engineering\" class=\"elementor-item\">College of Engineering<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-5376\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-electrical-and-computer-engineering\" class=\"elementor-item\">College of Electrical and Computer Engineering<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-5380\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-management\" class=\"elementor-item\">College of Management<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-5375\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-computer-science\" class=\"elementor-item\">College of Computer Science<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-5374\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-biological-science-and-technology\" class=\"elementor-item\">College of Engineering Bioscience<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-5379\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-humanities-and-social-sciences\" class=\"elementor-item\">College of Humanities Arts and Social Sciences<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-5378\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-hakka-affair-culture\" class=\"elementor-item\">College of Hakka Affair Culture<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-118070\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/school-of-law\" class=\"elementor-item\">School of Law<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-118069\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/school-of-nursing-2\" class=\"elementor-item\">School of Nursing<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-118071\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-photonics\" class=\"elementor-item\">College of Photonics<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-125874\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-biomedical-science-and-engineering\" class=\"elementor-item\">College of Biomedical Science and Engineering<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-132738\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-life-sciences-en\" class=\"elementor-item\">College of Life Sciences<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-141797\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/colege-of-medicine-en\" class=\"elementor-item\">College of Medicine<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-118072\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/course-of-chinese-center\" class=\"elementor-item\">Course of Chinese Center<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-120431\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/liberal-arts-college\" class=\"elementor-item\">Forum Of Liberal Arts<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-123746\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/speech-of-general-education-center\" class=\"elementor-item\">Contemporary Civilization<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-128240\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/reading-of-classic-masterpiece\" class=\"elementor-item\">Reading of Classic Masterpiece<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-123745\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/course-of-general-education-center-2\" class=\"elementor-item\">Course of General Education Center<\/a><\/li>\n<\/ul>\t\t\t<\/nav>\n\t\t\t\t\t<div class=\"elementor-menu-toggle\" role=\"button\" tabindex=\"0\" aria-label=\"\u9078\u55ae\u5207\u63db\" aria-expanded=\"false\">\n\t\t\t<svg aria-hidden=\"true\" role=\"presentation\" class=\"elementor-menu-toggle__icon--open e-font-icon-svg e-eicon-menu-bar\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M104 333H896C929 333 958 304 958 271S929 208 896 208H104C71 208 42 237 42 271S71 333 104 333ZM104 583H896C929 583 958 554 958 521S929 458 896 458H104C71 458 42 487 42 521S71 583 104 583ZM104 833H896C929 833 958 804 958 771S929 708 896 708H104C71 708 42 737 42 771S71 833 104 833Z\"><\/path><\/svg><svg aria-hidden=\"true\" role=\"presentation\" class=\"elementor-menu-toggle__icon--close e-font-icon-svg e-eicon-close\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M742 167L500 408 258 167C246 154 233 150 217 150 196 150 179 158 167 167 154 179 150 196 150 212 150 229 154 242 171 254L408 500 167 742C138 771 138 800 167 829 196 858 225 858 254 829L496 587 738 829C750 842 767 846 783 846 800 846 817 842 829 829 842 817 846 804 846 783 846 767 842 750 829 737L588 500 833 258C863 229 863 200 833 171 804 137 775 137 742 167Z\"><\/path><\/svg>\t\t\t<span class=\"elementor-screen-only\">\u9078\u55ae<\/span>\n\t\t<\/div>\n\t\t\t\t\t<nav class=\"elementor-nav-menu--dropdown elementor-nav-menu__container\" aria-hidden=\"true\">\n\t\t\t\t<ul id=\"menu-2-382e67d7\" class=\"elementor-nav-menu sm-vertical\"><li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-121577\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/self-learning-courses-for-high-school-students\" class=\"elementor-item\" tabindex=\"-1\">Self-learning courses for high school students<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-121578\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/pre-university-courses\" class=\"elementor-item\" tabindex=\"-1\">Pre-University Courses<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-5381\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-science\" class=\"elementor-item\" tabindex=\"-1\">College of Science<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-5377\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-engineering\" class=\"elementor-item\" tabindex=\"-1\">College of Engineering<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-5376\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-electrical-and-computer-engineering\" class=\"elementor-item\" tabindex=\"-1\">College of Electrical and Computer Engineering<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-5380\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-management\" class=\"elementor-item\" tabindex=\"-1\">College of Management<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-5375\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-computer-science\" class=\"elementor-item\" tabindex=\"-1\">College of Computer Science<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-5374\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-biological-science-and-technology\" class=\"elementor-item\" tabindex=\"-1\">College of Engineering Bioscience<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-5379\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-humanities-and-social-sciences\" class=\"elementor-item\" tabindex=\"-1\">College of Humanities Arts and Social Sciences<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-5378\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-hakka-affair-culture\" class=\"elementor-item\" tabindex=\"-1\">College of Hakka Affair Culture<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-118070\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/school-of-law\" class=\"elementor-item\" tabindex=\"-1\">School of Law<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-118069\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/school-of-nursing-2\" class=\"elementor-item\" tabindex=\"-1\">School of Nursing<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-118071\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-photonics\" class=\"elementor-item\" tabindex=\"-1\">College of Photonics<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-125874\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-biomedical-science-and-engineering\" class=\"elementor-item\" tabindex=\"-1\">College of Biomedical Science and Engineering<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-132738\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-life-sciences-en\" class=\"elementor-item\" tabindex=\"-1\">College of Life Sciences<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-141797\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/colege-of-medicine-en\" class=\"elementor-item\" tabindex=\"-1\">College of Medicine<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-118072\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/course-of-chinese-center\" class=\"elementor-item\" tabindex=\"-1\">Course of Chinese Center<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-120431\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/liberal-arts-college\" class=\"elementor-item\" tabindex=\"-1\">Forum Of Liberal Arts<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-123746\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/speech-of-general-education-center\" class=\"elementor-item\" tabindex=\"-1\">Contemporary Civilization<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-128240\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/reading-of-classic-masterpiece\" class=\"elementor-item\" tabindex=\"-1\">Reading of Classic Masterpiece<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-123745\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/course-of-general-education-center-2\" class=\"elementor-item\" tabindex=\"-1\">Course of General Education Center<\/a><\/li>\n<\/ul>\t\t\t<\/nav>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>\u7b2c\u4e5d\u7ae0 \u52d5\u91cf Systems&hellip;<\/p>\n","protected":false},"featured_media":0,"parent":47154,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","format":"standard","meta":{"footnotes":""},"categories":[2704],"tags":[],"class_list":["post-52308","course_page","type-course_page","status-publish","format-standard","hentry","category-physics-i-105-en"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u7b2c\u4e5d\u7ae0 \u52d5\u91cf Systems of Particles and Conservation of Linear Momentum (5\/8) , -Collision in Two Dimensions , -The Center of Mass - NYCU OCW<\/title>\n<meta name=\"description\" content=\"\u7b2c\u4e5d\u7ae0 \u52d5\u91cf Systems of Particles and Conservation of Linear Momentum (5\/8) , -Collision in Two Dimensions , -The Center of Mass https:\/\/youtu.be\/C8d6moipr74\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-science\/department-of-electrophysics\/physics-i-105-academic-year-department-of-electrophysics-prof-wen-bin-jian\/\u7b2c\u4e5d\u7ae0-\u52d5\u91cf-systems-of-particles-and-conservation-of-linear-momentum-5-8-collision-in-two-dimensions-the-center-of-mass\" \/>\n<meta property=\"og:locale\" content=\"zh_TW\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u7b2c\u4e5d\u7ae0 \u52d5\u91cf Systems of Particles and Conservation of Linear Momentum (5\/8) , -Collision in Two Dimensions , -The Center of Mass - NYCU OCW\" \/>\n<meta property=\"og:description\" content=\"\u7b2c\u4e5d\u7ae0 \u52d5\u91cf Systems of Particles and Conservation of Linear Momentum (5\/8) , -Collision in Two Dimensions , -The Center of Mass https:\/\/youtu.be\/C8d6moipr74\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-science\/department-of-electrophysics\/physics-i-105-academic-year-department-of-electrophysics-prof-wen-bin-jian\/\u7b2c\u4e5d\u7ae0-\u52d5\u91cf-systems-of-particles-and-conservation-of-linear-momentum-5-8-collision-in-two-dimensions-the-center-of-mass\" \/>\n<meta property=\"og:site_name\" content=\"NYCU OCW\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-30T04:25:39+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-science\/department-of-electrophysics\/physics-i-105-academic-year-department-of-electrophysics-prof-wen-bin-jian\/%e7%ac%ac%e4%b9%9d%e7%ab%a0-%e5%8b%95%e9%87%8f-systems-of-particles-and-conservation-of-linear-momentum-5-8-collision-in-two-dimensions-the-center-of-mass\",\"url\":\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-science\/department-of-electrophysics\/physics-i-105-academic-year-department-of-electrophysics-prof-wen-bin-jian\/%e7%ac%ac%e4%b9%9d%e7%ab%a0-%e5%8b%95%e9%87%8f-systems-of-particles-and-conservation-of-linear-momentum-5-8-collision-in-two-dimensions-the-center-of-mass\",\"name\":\"\u7b2c\u4e5d\u7ae0 \u52d5\u91cf Systems of Particles and Conservation of Linear Momentum (5\/8) , -Collision in Two Dimensions , -The Center of Mass - NYCU OCW\",\"isPartOf\":{\"@id\":\"https:\/\/ocw.nycu.edu.tw\/#website\"},\"datePublished\":\"2022-11-16T12:23:52+00:00\",\"dateModified\":\"2026-06-30T04:25:39+00:00\",\"description\":\"\u7b2c\u4e5d\u7ae0 \u52d5\u91cf Systems of Particles and Conservation of Linear Momentum (5\/8) , -Collision in Two Dimensions , -The Center of Mass https:\/\/youtu.be\/C8d6moipr74\",\"breadcrumb\":{\"@id\":\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-science\/department-of-electrophysics\/physics-i-105-academic-year-department-of-electrophysics-prof-wen-bin-jian\/%e7%ac%ac%e4%b9%9d%e7%ab%a0-%e5%8b%95%e9%87%8f-systems-of-particles-and-conservation-of-linear-momentum-5-8-collision-in-two-dimensions-the-center-of-mass#breadcrumb\"},\"inLanguage\":\"zh-TW\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-science\/department-of-electrophysics\/physics-i-105-academic-year-department-of-electrophysics-prof-wen-bin-jian\/%e7%ac%ac%e4%b9%9d%e7%ab%a0-%e5%8b%95%e9%87%8f-systems-of-particles-and-conservation-of-linear-momentum-5-8-collision-in-two-dimensions-the-center-of-mass\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-science\/department-of-electrophysics\/physics-i-105-academic-year-department-of-electrophysics-prof-wen-bin-jian\/%e7%ac%ac%e4%b9%9d%e7%ab%a0-%e5%8b%95%e9%87%8f-systems-of-particles-and-conservation-of-linear-momentum-5-8-collision-in-two-dimensions-the-center-of-mass#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Homepage\",\"item\":\"https:\/\/ocw.nycu.edu.tw\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"ALL COURSE\",\"item\":\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"College of Science\",\"item\":\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-science\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Department of Electrophysics\",\"item\":\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-science\/department-of-electrophysics\"},{\"@type\":\"ListItem\",\"position\":5,\"name\":\"Physics I &#8211; 105 Academic Year | Department of Electrophysics Prof. Wen-Bin Jian\",\"item\":\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-science\/department-of-electrophysics\/physics-i-105-academic-year-department-of-electrophysics-prof-wen-bin-jian\"},{\"@type\":\"ListItem\",\"position\":6,\"name\":\"\u7b2c\u4e5d\u7ae0 \u52d5\u91cf Systems of Particles and Conservation of Linear Momentum (5\/8) , -Collision in Two Dimensions , -The Center of Mass\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/ocw.nycu.edu.tw\/#website\",\"url\":\"https:\/\/ocw.nycu.edu.tw\/\",\"name\":\"NYCU OCW\",\"description\":\"\u958b\u653e\u6559\u80b2\u662f\u73fe\u4ee3\u6559\u80b2\u601d\u6f6e\u7684\u4e00\u80a1\u4e3b\u6d41\uff0c\u570b\u5167\u5916\u5927\u5b78\u8fd1\u5e7e\u5e74\u9678\u7e8c\u958b\u653e\u6559\u80b2\u8cc7\u6e90\uff0c\u900f\u904e\u958b\u653e\u5f0f\u8ab2\u7a0b (OpenCourseWare, OCW)\u66a8\u5176\u61c9\u7528\u4e4b\u5efa\u7f6e\u5c07\u77e5\u8b58\u5206\u4eab\u65bc\u793e\u6703\u3002\",\"publisher\":{\"@id\":\"https:\/\/ocw.nycu.edu.tw\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/ocw.nycu.edu.tw\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-TW\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/ocw.nycu.edu.tw\/#organization\",\"name\":\"NYCU OCW\",\"url\":\"https:\/\/ocw.nycu.edu.tw\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-TW\",\"@id\":\"https:\/\/ocw.nycu.edu.tw\/#\/schema\/logo\/image\/\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"NYCU OCW\"},\"image\":{\"@id\":\"https:\/\/ocw.nycu.edu.tw\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u7b2c\u4e5d\u7ae0 \u52d5\u91cf Systems of Particles and Conservation of Linear Momentum (5\/8) , -Collision in Two Dimensions , -The Center of Mass - NYCU OCW","description":"\u7b2c\u4e5d\u7ae0 \u52d5\u91cf Systems of Particles and Conservation of Linear Momentum (5\/8) , -Collision in Two Dimensions , -The Center of Mass https:\/\/youtu.be\/C8d6moipr74","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-science\/department-of-electrophysics\/physics-i-105-academic-year-department-of-electrophysics-prof-wen-bin-jian\/\u7b2c\u4e5d\u7ae0-\u52d5\u91cf-systems-of-particles-and-conservation-of-linear-momentum-5-8-collision-in-two-dimensions-the-center-of-mass","og_locale":"zh_TW","og_type":"article","og_title":"\u7b2c\u4e5d\u7ae0 \u52d5\u91cf Systems of Particles and Conservation of Linear Momentum (5\/8) , -Collision in Two Dimensions , -The Center of Mass - NYCU OCW","og_description":"\u7b2c\u4e5d\u7ae0 \u52d5\u91cf Systems of Particles and Conservation of Linear Momentum (5\/8) , -Collision in Two Dimensions , -The Center of Mass https:\/\/youtu.be\/C8d6moipr74","og_url":"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-science\/department-of-electrophysics\/physics-i-105-academic-year-department-of-electrophysics-prof-wen-bin-jian\/\u7b2c\u4e5d\u7ae0-\u52d5\u91cf-systems-of-particles-and-conservation-of-linear-momentum-5-8-collision-in-two-dimensions-the-center-of-mass","og_site_name":"NYCU OCW","article_modified_time":"2026-06-30T04:25:39+00:00","twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-science\/department-of-electrophysics\/physics-i-105-academic-year-department-of-electrophysics-prof-wen-bin-jian\/%e7%ac%ac%e4%b9%9d%e7%ab%a0-%e5%8b%95%e9%87%8f-systems-of-particles-and-conservation-of-linear-momentum-5-8-collision-in-two-dimensions-the-center-of-mass","url":"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-science\/department-of-electrophysics\/physics-i-105-academic-year-department-of-electrophysics-prof-wen-bin-jian\/%e7%ac%ac%e4%b9%9d%e7%ab%a0-%e5%8b%95%e9%87%8f-systems-of-particles-and-conservation-of-linear-momentum-5-8-collision-in-two-dimensions-the-center-of-mass","name":"\u7b2c\u4e5d\u7ae0 \u52d5\u91cf Systems of Particles and Conservation of Linear Momentum (5\/8) , -Collision in Two Dimensions , -The Center of Mass - NYCU OCW","isPartOf":{"@id":"https:\/\/ocw.nycu.edu.tw\/#website"},"datePublished":"2022-11-16T12:23:52+00:00","dateModified":"2026-06-30T04:25:39+00:00","description":"\u7b2c\u4e5d\u7ae0 \u52d5\u91cf Systems of Particles and Conservation of Linear Momentum (5\/8) , -Collision in Two Dimensions , -The Center of Mass https:\/\/youtu.be\/C8d6moipr74","breadcrumb":{"@id":"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-science\/department-of-electrophysics\/physics-i-105-academic-year-department-of-electrophysics-prof-wen-bin-jian\/%e7%ac%ac%e4%b9%9d%e7%ab%a0-%e5%8b%95%e9%87%8f-systems-of-particles-and-conservation-of-linear-momentum-5-8-collision-in-two-dimensions-the-center-of-mass#breadcrumb"},"inLanguage":"zh-TW","potentialAction":[{"@type":"ReadAction","target":["https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-science\/department-of-electrophysics\/physics-i-105-academic-year-department-of-electrophysics-prof-wen-bin-jian\/%e7%ac%ac%e4%b9%9d%e7%ab%a0-%e5%8b%95%e9%87%8f-systems-of-particles-and-conservation-of-linear-momentum-5-8-collision-in-two-dimensions-the-center-of-mass"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-science\/department-of-electrophysics\/physics-i-105-academic-year-department-of-electrophysics-prof-wen-bin-jian\/%e7%ac%ac%e4%b9%9d%e7%ab%a0-%e5%8b%95%e9%87%8f-systems-of-particles-and-conservation-of-linear-momentum-5-8-collision-in-two-dimensions-the-center-of-mass#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Homepage","item":"https:\/\/ocw.nycu.edu.tw\/"},{"@type":"ListItem","position":2,"name":"ALL COURSE","item":"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2"},{"@type":"ListItem","position":3,"name":"College of Science","item":"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-science"},{"@type":"ListItem","position":4,"name":"Department of Electrophysics","item":"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-science\/department-of-electrophysics"},{"@type":"ListItem","position":5,"name":"Physics I &#8211; 105 Academic Year | Department of Electrophysics Prof. Wen-Bin Jian","item":"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-science\/department-of-electrophysics\/physics-i-105-academic-year-department-of-electrophysics-prof-wen-bin-jian"},{"@type":"ListItem","position":6,"name":"\u7b2c\u4e5d\u7ae0 \u52d5\u91cf Systems of Particles and Conservation of Linear Momentum (5\/8) , -Collision in Two Dimensions , -The Center of Mass"}]},{"@type":"WebSite","@id":"https:\/\/ocw.nycu.edu.tw\/#website","url":"https:\/\/ocw.nycu.edu.tw\/","name":"NYCU OCW","description":"\u958b\u653e\u6559\u80b2\u662f\u73fe\u4ee3\u6559\u80b2\u601d\u6f6e\u7684\u4e00\u80a1\u4e3b\u6d41\uff0c\u570b\u5167\u5916\u5927\u5b78\u8fd1\u5e7e\u5e74\u9678\u7e8c\u958b\u653e\u6559\u80b2\u8cc7\u6e90\uff0c\u900f\u904e\u958b\u653e\u5f0f\u8ab2\u7a0b (OpenCourseWare, OCW)\u66a8\u5176\u61c9\u7528\u4e4b\u5efa\u7f6e\u5c07\u77e5\u8b58\u5206\u4eab\u65bc\u793e\u6703\u3002","publisher":{"@id":"https:\/\/ocw.nycu.edu.tw\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/ocw.nycu.edu.tw\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-TW"},{"@type":"Organization","@id":"https:\/\/ocw.nycu.edu.tw\/#organization","name":"NYCU OCW","url":"https:\/\/ocw.nycu.edu.tw\/","logo":{"@type":"ImageObject","inLanguage":"zh-TW","@id":"https:\/\/ocw.nycu.edu.tw\/#\/schema\/logo\/image\/","url":"","contentUrl":"","caption":"NYCU OCW"},"image":{"@id":"https:\/\/ocw.nycu.edu.tw\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/ocw.nycu.edu.tw\/index.php?rest_route=\/wp\/v2\/page\/52308","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ocw.nycu.edu.tw\/index.php?rest_route=\/wp\/v2\/page"}],"about":[{"href":"https:\/\/ocw.nycu.edu.tw\/index.php?rest_route=\/wp\/v2\/types\/course_page"}],"replies":[{"embeddable":true,"href":"https:\/\/ocw.nycu.edu.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=52308"}],"version-history":[{"count":8,"href":"https:\/\/ocw.nycu.edu.tw\/index.php?rest_route=\/wp\/v2\/page\/52308\/revisions"}],"predecessor-version":[{"id":184331,"href":"https:\/\/ocw.nycu.edu.tw\/index.php?rest_route=\/wp\/v2\/page\/52308\/revisions\/184331"}],"up":[{"embeddable":true,"href":"https:\/\/ocw.nycu.edu.tw\/index.php?rest_route=\/wp\/v2\/page\/47154"}],"wp:attachment":[{"href":"https:\/\/ocw.nycu.edu.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=52308"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ocw.nycu.edu.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=52308"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ocw.nycu.edu.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=52308"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}