| 浅析力学中动量守恒与角动量守恒 |
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| 引用本文： | 王菊巍. 浅析力学中动量守恒与角动量守恒[J]. 价值工程, 2012, 31(13): 246 |
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| 作者姓名： | 王菊巍 |
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| 作者单位： | 青海大学基础部,西宁,810016 |
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| 摘 要： | 在力学中动量守恒和角动量守恒是学生容易出错的问题。本文分析了子弹击入木棒问题与子弹击入沙袋问题的区别,指出什么情况下系统的角动量守恒,什么情况下系统的动量守恒,从而说明了理论上的实际应用。
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| 关 键 词： | 动量守恒 角动量守恒 合力 合力矩 |
Analysis of Momentum Conservation and Angular Momentum Conservation in Mechanics |
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| Wang Juwei. Analysis of Momentum Conservation and Angular Momentum Conservation in Mechanics[J]. Value Engineering, 2012, 31(13): 246 |
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| Authors: | Wang Juwei |
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| Affiliation: | Wang Juwei (Department of Basic Research,Qinghai University,Xi’ning 810016,China) |
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| Abstract: | The momentum conservation and angular momentum conservation in the mechanics is difficult for students.The article analyzes the issues that bullet hits into the sticks and bullet hits into sandbags by using momentum conservation and angular momentum conservation,and compares them,and shows the practical application of the theory. |
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| Keywords: | momentum conservation angular momentum conservation resultant force resultant moment |
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