理论力学动量矩问题,求转矩图示鼓轮半径r=1m,对转轴O的转动惯量J0=0.82k8·m2;绕在鼓轮上的绳端挂有质量m=30kg的物体A.不计系统质量与摩擦,欲使鼓轮以角加速度a=40rad/s2转动来提升重物,需对鼓
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![理论力学动量矩问题,求转矩图示鼓轮半径r=1m,对转轴O的转动惯量J0=0.82k8·m2;绕在鼓轮上的绳端挂有质量m=30kg的物体A.不计系统质量与摩擦,欲使鼓轮以角加速度a=40rad/s2转动来提升重物,需对鼓](/uploads/image/z/7142438-38-8.jpg?t=%E7%90%86%E8%AE%BA%E5%8A%9B%E5%AD%A6%E5%8A%A8%E9%87%8F%E7%9F%A9%E9%97%AE%E9%A2%98%2C%E6%B1%82%E8%BD%AC%E7%9F%A9%E5%9B%BE%E7%A4%BA%E9%BC%93%E8%BD%AE%E5%8D%8A%E5%BE%84r%3D1m%2C%E5%AF%B9%E8%BD%AC%E8%BD%B4O%E7%9A%84%E8%BD%AC%E5%8A%A8%E6%83%AF%E9%87%8FJ0%3D0.82k8%C2%B7m2%EF%BC%9B%E7%BB%95%E5%9C%A8%E9%BC%93%E8%BD%AE%E4%B8%8A%E7%9A%84%E7%BB%B3%E7%AB%AF%E6%8C%82%E6%9C%89%E8%B4%A8%E9%87%8Fm%3D30kg%E7%9A%84%E7%89%A9%E4%BD%93A.%E4%B8%8D%E8%AE%A1%E7%B3%BB%E7%BB%9F%E8%B4%A8%E9%87%8F%E4%B8%8E%E6%91%A9%E6%93%A6%2C%E6%AC%B2%E4%BD%BF%E9%BC%93%E8%BD%AE%E4%BB%A5%E8%A7%92%E5%8A%A0%E9%80%9F%E5%BA%A6a%3D40rad%2Fs2%E8%BD%AC%E5%8A%A8%E6%9D%A5%E6%8F%90%E5%8D%87%E9%87%8D%E7%89%A9%2C%E9%9C%80%E5%AF%B9%E9%BC%93)
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