| 正确地选择刚体平面运动中的基点 |
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| 引用本文： | 包兴明,周志坚,向必纯.正确地选择刚体平面运动中的基点[J].四川理工学院学报(自然科学版),2007,20(5):74-76. |
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| 作者姓名： | 包兴明 周志坚 向必纯 |
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| 作者单位： | 四川理工学院物理系,四川,自贡,643000 |
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| 摘 要： | 在运动学中,可将刚体平面运动视作随任意选定的基点的平动和绕基点轴的转动。讨论动力学问题时,这个基点就必须选择在质心上。文章通过具体的实例,从基点的概念出发,阐述刚体平面运动中基点的正确选择。
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| 关 键 词： | 刚体平面运动 基点 质心 |
| 文章编号： | 1673-1549（2007）05-0074-03 |
| 收稿时间： | 2006-11-23 |
Choosing the Basic Point Correctly in the Rigid Body Plane Motion |
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| BAO Xing-ming,ZhOU Zhi-jian,XIANG Bi-chun.Choosing the Basic Point Correctly in the Rigid Body Plane Motion[J].Journal of Sichuan University of Science & Engineering:Natural Science Editton,2007,20(5):74-76. |
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| Authors: | BAO Xing-ming ZhOU Zhi-jian XIANG Bi-chun |
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| Abstract: | In the kinematics, may regard the rigid body plane motion does along with the basic point stable motion and the basic point axis rotation which designated willfully. When discussion dynamics time, this basic point must choose on the nature heart.This paper embarks from the basic point concept, through concrete example, in elaboration rigid body plane motion basic point correct choice. |
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| Keywords: | rigid body plane motion basic point nature heart |
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