3-2动量守恒定律 一、质点系动量定理

3-1质点和质点系的动量定理 一、力的累积效应

Chapter 29 Maxwell's Equations and Electromagnetic Waves 1. Displacement Current Ampere-Max' Law 2. Maxwell's Equation 3. Electromagnetic Waves

Chapter 27 Electro-Magnetic Induction and Faraday's Law 1. The Law of Electro-Magnetic Induction 2. Motional Induced Emf

3.1 试求由五个原子组成的一维单原子晶格的格波频率，设原子质量 m = 8.35×10-27kg，恢复力常数β = 15Nm-1

Chapter 26 Sources of Magnetic Field 1. Biot-savart's law 2. Magnetic Flux and Gauss'Law 3 Amperes Law 4. Magnetic Materials

Chapter 13 &14 Wave Motion and Sound 1. Simple Harmonic Waves 2. Wave Equation 3. Energy and Power of Waves Interference of Waves Standing Waves 1. The Doppler Effect

Chapter 12 Oscillations 1. Concepts of Simple Harmonic Motion 2. Expression Methods of SHM 3. Energy in SHM Pendulums Superposition of Oscillations

爱因斯坦: Albert einstein 现代时空的创始人(1879-1955)

Chapter 25 Magnetism 1. Magnet and Magnetic Field 2. Definition of Magnetic Field 3. Force on an Electric Charge Moving in a Magnetic Field 4. Torque on a Current Loop