| 斜面下滑滑块机械能守恒问题新解 |
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| 引用本文： | 李学生,师教民.斜面下滑滑块机械能守恒问题新解[J].石家庄职业技术学院学报,2014,26(6):71-72. |
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| 作者姓名： | 李学生 师教民 |
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| 作者单位： | 1. 山东大学物理学院,山东济南,250100
2. 石家庄职业技术学院组织部,河北石家庄,050081 |
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| 摘 要： | 重新解答了斜面上自由下滑滑块的机械能守恒问题,得出了在地面上和相对于地面做匀速运动的小车上观察,自由下滑滑块的机械能都守恒的新结论.
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| 关 键 词： | 斜面下滑滑块 动能 势能 机械能守恒 |
Mechanical energy conservation of a block sliding down on incline |
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| LI Xue-sheng,SHI Jiao-min.Mechanical energy conservation of a block sliding down on incline[J].Journal of Shijiazhuang Vocational Technology Institute,2014,26(6):71-72. |
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| Authors: | LI Xue-sheng SHI Jiao-min |
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| Institution: | LI Xue-sheng ,SHI Jiao-min (1. School of Physics,Shandong University, Jinan 250100, China; 2. Department of Organization, Shijiazhuang Vocational Technology Institute, Shijiazhuang, Hebei 050081, China) |
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| Abstract: | This study discusses mechanical energy conservation of a block sliding down on incline,which straightforwardly leads to the observation of car at its average speed.No matter what reference framework we take,the earth,the car and the mechanical energy of a block sliding are conserved. |
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| Keywords: | a block sliding down on incline kinetic energy potential energy conservation of mechanical energy |
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