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力矩:力和力臂的乘積叫做力對轉動軸的力矩. 即:M=F*L 式中M是力F對轉動軸O的力矩,凡是使物體產生反時針方向轉動效果的,定為正力矩,反之為負力矩. 組織:在國際單位制中,力矩組織是牛頓*米,簡稱:牛*米,符號:N*m
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