8 14-1 Simple Harmonic Motion 简谐振动 1. The simple harmonic motion (abbreviate: SHM) The system( black- spring in Fig. 15-1 is h m: x called as a simple harmonic oscillator(谐 振子): 平衡位置 Spring:k不计质量。 Fig.15-1 body: m Equilibrium position: point o(和外力等于零); 物体:在平衡位置附近作周期性往复运动; 坐标原点:通常取为平衡位置o;§14-1 Simple Harmonic Motion 简谐振动 1. The simple harmonic motion(abbreviate:SHM) The system ( blackspring) in Fig.15-1 is called as a simple harmonic oscillator( 谐 振子): k m x Fig.15 −1 Spring: 不计质量。 body: k m Equilibrium position: point o(和外力等于零); 物体:在平衡位置附近作周期性往复运动; 坐标原点:通常取为平衡位置o;