摘要
本文详细推导了质点系对于任意点的动量矩定理，该定理具有普遍性，由它可以导出质点系对于定点、质心、刚体作平面运动时速度瞬心的动量矩定理。运用这些定理可以很方便地求解某些问题。
The moment of momentum theorem for particle system at ang point was deduted in details .The theorem has universality.The speed instantaneous momentum theorem can be deduced from the moment of momentum theorem when the particle system does not mone and particle centre and the rigid vody moves.Using those theorems can conveniently resolve many problems.
关键词
质点系
任意点
动量矩定理
particl system theorem at ang point moment of omoentum
