题目内容
下列哪个说法是正确的（D）（1）作用在定轴转动刚体上的力越大，刚体转动的角加速度应越大。（2）作用在定轴转动刚体上的合力矩越大，刚体转动的角速度越大（3）作用在定轴转动刚体上的合力矩为零，刚体转动的角速度为零（4）作用在定轴转动刚体上合力矩越大，刚体转动的角加速度越大（5）作用在定轴转动刚体上的合力矩为零，刚体转动的角加速度为零。
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