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怎样判断物体是否处于平衡状态

更新时间: 2020-07-06 00:00:00     

首先受力分析:

1、受什么力,重力,牵引力,支持力,电场力,洛沦兹力;

2、受到几个力,分别标出来;

3、每个力的大小,方向怎样的,再正交分解,即把每个力沿X轴和Y轴方向分解,若两个方向上的力大小相同,方向相反,则物体处于平衡状态。

关键词: 怎样 判断 物体 是否 处于 平衡 状态

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