刚体定轴/非定轴转动(如一个小球在水平面上受外力做纯滚动) 转动定律M=Ja,转轴选取时有什么限制么?瞬心质心肯定可以.还有别的轴么?空间中任一轴似乎不行.比如说地面平面内垂直小球
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![刚体定轴/非定轴转动(如一个小球在水平面上受外力做纯滚动) 转动定律M=Ja,转轴选取时有什么限制么?瞬心质心肯定可以.还有别的轴么?空间中任一轴似乎不行.比如说地面平面内垂直小球](/uploads/image/z/8922655-55-5.jpg?t=%E5%88%9A%E4%BD%93%E5%AE%9A%E8%BD%B4%2F%E9%9D%9E%E5%AE%9A%E8%BD%B4%E8%BD%AC%E5%8A%A8%EF%BC%88%E5%A6%82%E4%B8%80%E4%B8%AA%E5%B0%8F%E7%90%83%E5%9C%A8%E6%B0%B4%E5%B9%B3%E9%9D%A2%E4%B8%8A%E5%8F%97%E5%A4%96%E5%8A%9B%E5%81%9A%E7%BA%AF%E6%BB%9A%E5%8A%A8%EF%BC%89+%E8%BD%AC%E5%8A%A8%E5%AE%9A%E5%BE%8BM%3DJa%2C%E8%BD%AC%E8%BD%B4%E9%80%89%E5%8F%96%E6%97%B6%E6%9C%89%E4%BB%80%E4%B9%88%E9%99%90%E5%88%B6%E4%B9%88%3F%E7%9E%AC%E5%BF%83%E8%B4%A8%E5%BF%83%E8%82%AF%E5%AE%9A%E5%8F%AF%E4%BB%A5.%E8%BF%98%E6%9C%89%E5%88%AB%E7%9A%84%E8%BD%B4%E4%B9%88%3F%E7%A9%BA%E9%97%B4%E4%B8%AD%E4%BB%BB%E4%B8%80%E8%BD%B4%E4%BC%BC%E4%B9%8E%E4%B8%8D%E8%A1%8C.%E6%AF%94%E5%A6%82%E8%AF%B4%E5%9C%B0%E9%9D%A2%E5%B9%B3%E9%9D%A2%E5%86%85%E5%9E%82%E7%9B%B4%E5%B0%8F%E7%90%83)
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