摘要
通过对势能概念的讨论,说明势能概念对机械能守恒定律的导出过程及表述形式的影响,指出了势能概念对理解机械能守恒定律的重要性。
By discussing the definition of potential energy, this article shows its effect on educing the conservation law of mechanical energy and it's denotation. Then it indicates that the definition of potential energy is of great importance to comprehend the conservation law of mechanical energy.
关键词
势能概念
机械能守恒定律
保守力
万有引力
potential energy
conservation law of mechanical energy
the guard force
particle
