| 任意四边形刚体平板绕质心轴的转动惯量公式 |
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| 引用本文： | 周国全. 任意四边形刚体平板绕质心轴的转动惯量公式[J]. 大学物理, 2003, 22(12): 20-22 |
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| 作者姓名： | 周国全 |
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| 作者单位： | 武汉大学,物理学院,湖北,武汉,430072 |
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| 摘 要： | 给出了确定任意四边形匀质平板的质心的一种平面几何作图法;并成功地推导出任意四边形刚体平板绕质心轴的转动惯量公式,其特例恰与已知结论相符．
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| 关 键 词： | 刚体 转动惯量 质心轴 |
| 文章编号： | 1000-0712(2003)12-0020-03 |
| 修稿时间： | 2002-08-05 |
The rotational inertia formula for an arbitrary quadrilateral rigid plane about its axis of center-of-mass |
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| ZHOU Guo-quan. The rotational inertia formula for an arbitrary quadrilateral rigid plane about its axis of center-of-mass[J]. College Physics, 2003, 22(12): 20-22 |
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| Authors: | ZHOU Guo-quan |
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| Abstract: | The position of center-of-mass of an arbitrary quadrilateral rigid plane is given by means of Euclidian geometry. And the formula of rotational inertia about the axis of its center-of-mass is successfully deduced. And the application of the formula to some special examples is given. |
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| Keywords: | rigid body rotational inertia axis of center-of-mass |
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