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物系机械能守恒方程或动能定理方程中涉及到关联速度时,常成为解题“瓶颈”.文章对三种常见关联速度情形(有转动的绳或杆约束,接触型约束)的解决方案进行了探讨和归纳.
The problem of mechanical energy conservation or kinetic energy theorem in matter system is often solved by “bottleneck” in the equations of mechanical energy conservation or kinetic energy. The solutions to three common cases of associated velocity (with rotating rope or rod constraints, contact constraints) Have carried on the discussion and the induction.