14-1 Simple Harmonic Motion (SHM)简谐振动 14-2 Amplitude Period Frequency phase简谐振动的振幅,周期,頻率和位相 14-3 The Energy of SHM简谐振动的能量 14-4 Damped Vibration& Forced Vibration Resonance阻尼振动受迫振动共振 14-5 Superposition of two SHM with same Frequency in same Direction同方向同頻率的简谐振动的合成 14-6 Superposition of two Perpendicular SHM相互垂直的简谐振动的合成

1. The position vector and displacement Let the plane of the two-dimensional motion be the x-y plane of a Cartesian coordinate system

Dynamics Introduction 1. The subject of dynamics is the relation between the mechanical motion of a material body and the force acting on it. 2. Two models of mechanics. )A particle is a material body possessing mass, the shape and size of which can be neglected in investigating its motion

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ECTURE +2 RIGId BoDY DYNAnIC 工Ap1CAT105FA。R工 GENERAL ROTATIONAL JYNMICS EULER'S EQuATIoN of MOTIoN TORQVE fREE SPECIAL CAsEs PRIMARY LESSONS 3D RoTATONAL MOTION MUCH MORE COMPLEX

§2-1 Newton’s Laws Force Inertial Reference Frame 牛顿定律 力的概念 惯性参考系 §2-2 General Properties of Forces in Mechanics 力的基本性质 §2-4 Fundamental Quantities and Units Dimensions ﹡基本量和力学单位制 量纲 §2-5 Applying Newton’s Law of Motion 牛顿定律应用 §2-3 The Fundamental Forces of Nature ﹡ 四种基本力

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Chapter 10 11 Rotational Motion About Fixed Axis Rigid Body Rotational Inertia Work and Rotational Kinetic Energy Angular Momentum and Conservation of Angular Momentum

§1.Law of conservation of angular momentum §2. Rigid body kinematics §3. Fixed axis rotation §4. Motion involving translation and §5. Equilibrium of rigid body §6. Gyroscopic motion