| 平面运动刚体的动量矩方程 |
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| 引用本文： | 于振深. 平面运动刚体的动量矩方程[J]. 天津工业大学学报, 1991, 0(4) |
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| 作者姓名： | 于振深 |
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| 作者单位： | 天津纺织工学院基础课部 |
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| 摘 要： | 本文应用达朗伯原理,证明在刚体作平面运动时,以任一动点为矩心的动量矩方程的一般表达形式,并通过讨论给出采用一些特殊点作为矩心时,其动量矩方程的简捷表达形式和应用条件。
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| 关 键 词： | 动量矩方程 平面图形 质心 矩心 速度瞬心 加速度瞬心 |
Equation of Moment of Momentum for a Rigid body in Plane Motion |
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| Yu Zhengsheng Division of Basic courses. Equation of Moment of Momentum for a Rigid body in Plane Motion[J]. Journal of Tianjin Polytechnic University, 1991, 0(4) |
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| Authors: | Yu Zhengsheng Division of Basic courses |
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| Affiliation: | Yu Zhengsheng Division of Basic courses |
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| Abstract: | In this paper,general expression formulas of equations of moment of momentum about any of its moving points is proved when a rigid body is in plane motion by using of D'Alember's Principle.Then simple expression formulas and application conditions of equation of moment of momentum about some special points taken as center of moment axe discussed and given. |
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| Keywords: | equations of moments of momentum plane figures center of mass center of moment instantaneous center of velocity instantaneous center of acceleration |
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