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力矩的方向如何判断
更新时间: 2021-03-16 00:45:30  

1、从力臂(指向力的作用线)向力的方向握,那么大拇指的方向就是力矩的方向。

2、大拇指指向力的作用点,食指指向力的方向,剩下的三根手指向内侧弯,使得三根手指的方向垂直于手掌,那么三根手指的方向就是力矩的方向。

关键词: 力矩 方向 如何 判断

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