英语翻译the total momentum of a system of interacting bodies rem
英语翻译
the total momentum of a system of interacting bodies remains constant,providing no external force acts.
the rate of change of momentum of a body is directly proportional to the ecternal force cting on the body and takes place in direction of the force.
the total momentum of a system of interacting bodies remains constant,providing no external force acts.
the rate of change of momentum of a body is directly proportional to the ecternal force cting on the body and takes place in direction of the force.
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