摘要
本文通过实例分析,针对如何帮助初学者在应用动量守恒定律时避免忽视和混淆动量的相对性和瞬时性的错误,进行了讨论。
Some examples of helping students avoid neglecting and confusing therelativity and instantaneousness of momentum in applying the law of mom-entum convervation are analysed and discussed.
关键词
动量守恒
参照系
瞬时性
相对性
momentum conservation
reference frame
momentum's instantaneousness
