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有没有大神可以把力矩的物理意义讲清楚？ - 知乎 谢邀， 这里从物体 (刚体)的转动说起。 如果看得累，可以至少看完第一 、第二部分~ 一、物体转动与力矩的关系 首先， 物体的运动有平动 (Translational Motion)和转动 (Rotational Motion)。比如，在斜面上推动一滑块，则该滑块为平动；开门时门绕定轴转，则为该门为转动。 物体平动时有 位移 x x ，转动