| 杆摆中横截面上的法向内力的力矩和功 |
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| 引用本文： | 于志明. 杆摆中横截面上的法向内力的力矩和功[J]. 连云港教育学院学报, 2013, 0(1): 102-104 |
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| 作者姓名： | 于志明 |
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| 作者单位： | 连云港师范高等专科学校海洋港口学院,江苏连云港222006 |
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| 摘 要： | 作用在杆摆的横截面上的法向内力总有一定的力矩；在杆摆转动过程中，作用在杆摆的横截面上的法向内力总要微功。
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| 关 键 词： | 杆摆 法向内力 力矩 功 |
On the Moment and Work of the Normal Internal Force Exerted on the Cross- sectional Area of a Rod Pendulum |
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| Affiliation: | YU Zhi - ming (School of Marine Port, Lianyungang Normal College,Lianyungang 222006, China) |
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| Abstract: | Normal internal force exerted on the cross - sectional area of a rod pendulum always has its ce~ain moment of force and always does work in the rotation process of the rod pendulum. |
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| Keywords: | rod pendulum normal internal force moment work. |
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