摘要
本文普遍地论证了系统内仅存在光滑约束的情况下非保守内力所作的总功为零,从而阐明了该类系统的机械能守恒。
For a general case this paper demonstrates that the total work due to non-conservative internal forces will be zero if there exist only smooth constraints in the system. That is to say, the mechanical energy of the system is conservative.
关键词
光滑约束
机械能守恒
Smooth Constraint
Conservation of Mechenical Energy