摘要
给出了机械能守恒的意义和机械能守恒定律的正确表述。
The paper gives the proper sense of conservation of mechanical energy and the statement of law of conservation of mechanical energy.And some inappropriate parts exiting in some documents are pointed out.
出处
《平顶山师专学报》
1999年第2期24-25,共2页
Journal of Pingdingshan Teachers College
关键词
机械能守恒定律
力学
质点系
mechanical energy conesrvation law of conservation of mechanical energy
