二力平衡的概念和定义
二力平衡的概念和定义
物理人气:275 ℃时间:2020-04-02 03:38:25
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物体处于静止或匀速直线运动状态,我们就称物体处于平衡状态.处于平衡状态的物体所受的力叫作平衡力.如果物体只受两个力而处于平衡状态,这种情况叫作二力平衡.二力平衡的条件大小:相等方向:相反二力作用在同一物体...
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