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

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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

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
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.

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
两个相互作用的物体所组成的系统的总动量是不变量,没有外力作用在这个系统上
一个物体的动量的变化率是与这个物体所受的外力是成正比的同时发生的方向与这个外力的方向一致.
本人在澳洲读工程系,自认为翻译的应该没错啦
如果还有疑问找我啊,很高兴帮你...呵呵~~~