| 对固连于轻杆上的两小球自由下摆时能量的分析 |
| |
| 引用本文： | 高德文. 对固连于轻杆上的两小球自由下摆时能量的分析[J]. 物理与工程, 1999, 0(2) |
| |
| 作者姓名： | 高德文 |
| |
| 作者单位： | 北京石油化工学院基础部 |
| |
| 摘 要： | 本文分析了固连于轻杆上的两小球自由下摆时的能量，指出了每个小球机械能不守恒的原因，给出了每个小球机械能守恒的条件
|
| 关 键 词： | 切向力；功；机械能 |
ANALYSIS ABOUT THE ENERGY OF TWO SMALL BALLS ATTACHED TO A LIGHT ROD AND ROTATING DOWN FREELY |
| |
| Gao Dewen. ANALYSIS ABOUT THE ENERGY OF TWO SMALL BALLS ATTACHED TO A LIGHT ROD AND ROTATING DOWN FREELY[J]. Physics and Engineering, 1999, 0(2) |
| |
| Authors: | Gao Dewen |
| |
| Abstract: | In this article the energy of two small balls attached to a light rod and rotating down freely is analyzed.The reason that the mechanical energy of each ball is not conserved is pointed out and the condition of conservation of the mechanical energy of each ball is given. |
| |
| Keywords: | tangential force work mechanical energy |
| 本文献已被 CNKI 等数据库收录！ |
