## 第3講 位能與力學能守恆

 3-1 能量守恆 Consevation of Energy 3-2-1 重力位能 Gravitational Potential Energy 3-2-2 彈性位能 Spring Potential Energy 3-3 保守力  Conservative Forces ﻿3-4﻿ 非保守力 Non-conservation Force 3-5 力學能守恆 Conservation of Mechanical Energy 3-6 力學能與非保守力 Mechanical Energy and Non-conservation Forces 3-7-1 位能函數與力的關係 Relation between Function of Potential Energy and Force 3-7-2 位能函數與力的關係 - 二維 Relation between Function of Potential Energy and Force－ Two Dimensional (2D) 3-7-3 位能函數與力的關係 - 梯度 Relation between Function of Potential Energy and Force－ Gradient 3-7-3ex 位能函數與力的關係 - 例題 Relation between Function of Potential Energy and Force－ Examples 3-7-4 位能函數與力的關係 - 位能圖 Relation between Function of Potential Energy and Force－ Potential Energy Diagram 3-8 能量圖 Energy Diagram 3-9-1 萬有引力 - 位能函數 Universal Gravitation – Function of Potential Energy 3-9-2 萬有引力 - 力學能 Universal Gravitation － Mechanical Energy 3-9-3 萬有引力 - 脫離速度 Universal Gravitation － Escape Velocity﻿

## 課程影音

 3_1 3_2_1 3_2_2 3_3 3_4 3_5 3_6 3_7_1 3_7_2 3_7_3 3_7_3ex 3_7_4 3_8 3_9_1 3_9_2 3_9_3