| 关于两道力学习题的质疑 |
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| 引用本文： | 田国瑞.关于两道力学习题的质疑[J].扬州教育学院学报,2008,26(3):69-71. |
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| 作者姓名： | 田国瑞 |
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| 作者单位： | 扬州教育学院,江苏,扬州,225009 |
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| 摘 要： | 通过质心运动定律和绕质心的转动定律得到刚体非定轴转动的动能定理，并对两道力学习题作了分析和讨论，
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| 关 键 词： | 刚体 质心运动定律 绕质心的转动定律 动能定理 机械能守恒定律 |
A Query about Two Exercises of Mechanics |
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| TIAN Guo-rui.A Query about Two Exercises of Mechanics[J].Journal of Yangzhou College of Education,2008,26(3):69-71. |
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| Authors: | TIAN Guo-rui |
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| Institution: | TIAN Guo-rui ( Yangzhou College of Education, Yangzhou 225009, China) |
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| Abstract: | By the law of kinematic of centre - mass and the fundamental law of dynamics of rotational motion about the axis through the center of mass it achieves the theorem of kinetic energy of rigid body with non - fixed axis through the center, and it analyses and discusses the two exercises of mechanics. |
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| Keywords: | rigid body the law of kinematic of centre - mass the fundamental law of dynamics of rotational motion about the axis through the center of mass the theorem of kinetic energy law of conservation of mechanical energy |
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