动力学普遍定理之一，可表述为：质点系的质心运动和一个位于质心的质点的运动相同，该质点的质量等于质点系的总质量，而该质点上的作用力则等于作用于质点系上的所有外力平行地移到这一点上。
从质心运动定理和相对质心的动量矩定理出发，导出了相对瞬心的动量矩定理。
According to theorem of motion of centre of mass and theorem of moment of momentum about centre of mass, we derive the theorem of moment of momentum about instantaneous center of rotation.
从陈子定理可以推导出质点动力学的基本定理，包括牛顿运动三定律，动能定理，质心运动定理。
It is found that basic dynamic equations can be derived from the Chenzi theorem, including three Newton's laws of motion, kinetic energy theorem, the law of motion of the center of mass.
运用质心运动定理，分析了质点在可自由移动的凹曲面上滑下时，质点对惯性系的运动轨迹方程。
The possible tracks of a particle BXm_(2), sliding down along a free movable concave surface with the mass m_(1) are analyzed.
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