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动量守恒定律是中学物理几个重要守恒定律之一。如何正确应用动量守恒定律是个大问题。学生在运用中常会犯这样或都样的错误,其中带有代表性的是如下三点,这在教学中是要加以注意的。
The law of conservation of momentum is one of several important conservation laws of middle school physics. How to properly apply the law of conservation of momentum is a big problem. Students often make such mistakes in the application, and there are the following three representative points, which should be noted in teaching.