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在经典力学中一般选用惯性参照系研究问题,但有时为了方便也选用非惯性参照系。在经典力学中,当选用非惯性参照系时,尤其是当选用转动非惯性参照系时,多注重运动物体的受力分析,对于物体在运动过程中的功能问题较少讨论,力学中的一个重要定律——机械能转换和守恒定律一般不沿用。本文从分析力学导出转动非惯性参照系中的机械能转换和守恒定律。并说明其应用条件。
In classical mechanics generally use inertial reference system to study the problem, but sometimes also for the convenience of non-inertial reference system. In classical mechanics, when choosing non-inertial frame of reference, especially when using non-inertial frame of reference, more attention should be paid to the force analysis of moving objects, less discussion on the functional problems of objects during their movement. One of mechanics Important Laws - The laws of mechanical energy conversion and conservation are generally not used. In this paper, the laws of mechanical energy conversion and conservation in the non-inertial reference frame of rotation are derived from analytical mechanics. And explain its application conditions.