在只有重力或弹力做功的物体系统内(或者不受其他外力的作用下),物体系统的动能和势能(包括重力势能和弹性势能)发生相互转化,但机械能的总能量保持不变。这个规律叫做机械能守恒定律。
动能定理,机械能守恒定律应用_论文格式网 关键词 :动能定理;机械能守恒定律;参考系 [gap=668]Key words: theorem of kinetic energy; conservation law of mechanical energy; reference frame
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law of co ervation of mechanical energy 机械能守恒定律 co ervation law 守恒定律 ..
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...育 Modern Primary and Secondary Education] "机械能守恒定律"科学探究的教学设计 [物理教学探讨 Journal of Physics Teaching] ..
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机械能和动量守恒定律 Conservation of Mechanical Energy and Momentum
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指出机械能守恒定律是服从相对性原理的。
It is pointed out that the relativity principle is satisfied by the law of conservation of mechanical energy.
我们知道,机械能守恒定律-,动能和,势能的总和。
Then we have the conservation - of mechanical energy — the sum of kinetic energy and potential energy.
系统地阐明机械能守恒定律无条件服从力学相对性原理。
It is explained that the law of conservation of mechanical energy obeys relativity principle of mechanics.
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