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机械振动是一种常见的运动形式,而简谐运动是机械振动中最简单的运动形式。高中物理弹簧模型中经常要用简谐运动模型,在这类问题中运用简谐运动的回复力,会起到复杂的物理情境简单化、规律化。首先,我们来分析直线简谐运动模型。模型1水平弹簧振子如图1所示,一个轻质弹簧连接一个小球,弹簧的另一端固定,就构成了一个弹簧振子(在中学阶段
Mechanical vibration is a common form of motion, whereas simple harmonic motion is the simplest form of motion in mechanical vibration. The high-school physics spring model often uses the simple harmonic motion model, and in this kind of problem, the simple physical motion can be simplified and regularized by using the restoring force of simple harmonic motion. First, let’s analyze the linear harmonic motion model. Model 1 Horizontal Spring Oscillator As shown in Figure 1, a light spring is attached to a small ball and the other end of the spring is fixed to form a spring oscillator (in the middle school stage