| 含约束反力情况下自然坐标系与直角坐标系的等效性及差异性 |
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| 引用本文： | 李传新.含约束反力情况下自然坐标系与直角坐标系的等效性及差异性[J].荆门职业技术学院学报,2007,22(12):81-85. |
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| 作者姓名： | 李传新 |
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| 作者单位： | 荆楚理工学院电子信息学院 湖北荆门448000 |
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| 摘 要： | 质点曲线运动的动力学问题,在运用牛顿定律解题时,既可选用直角坐标系,又可选用自然坐标系。由于自然坐标系本身特点,其用在含有约束反力解题时,约束反力只出现在一个方向的动力学方程中。而在直角坐标系中描述问题,有助于对问题性质的认识和从几个运动方向独立求解。
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| 关 键 词： | 自然坐标系 直角坐标系 约束反力 |
| 文章编号： | 1008-4657（2007）12-0081-05 |
| 收稿时间： | 2007-10-25 |
| 修稿时间： | 2007年10月25 |
Equivalent and Difference of Natural Coordinate System with Right Angle Coordinate System When Constraining Anti-force Comes into Being |
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| LI Chuan-xin.Equivalent and Difference of Natural Coordinate System with Right Angle Coordinate System When Constraining Anti-force Comes into Being[J].Journal of Jingmen Vocational Technical College,2007,22(12):81-85. |
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| Authors: | LI Chuan-xin |
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| Abstract: | Natural coordinate system and right angle coordinate system are equivalent when Newton' law of motion is used in the dynamics problems of curve motion of a particle.Natural coordinate system has advantages in solving the problems which have constraining anti-forces,and constraining anti-forces only appear in a n-axis dynamics equation.On another hand,right angle coordinate system also has its advantages in describing what are and solving independently the questions from x-axis or y-axis direction. |
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| Keywords: | natural coordinate system right angle coordinate system constraining anti-force |
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