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怎样判断物体运动的快慢

更新时间: 2020-07-06 00:00:00     

判断物体运动快慢的方法通常有两种,分别是:在相同的时间内比较位移和在相同位移中比较时间;

运动的快慢是指物体速度大小的变化,物体运动的快慢与物体的受力状况有关,运动的快慢的依据是:参照物与速度、牛顿第一定律、冲量与动量。

关键词: 怎样 判断 物体 运动 快慢

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