从变质量物体的动力学方程出发，推导出变质量系统的动能定理。
The kinetic energy theorem of mass variable system is derived from the kinetic equation of mass variable body.
笔者经过必要的推导得出结论：动能定理与惯性参考系的选取无关。
The author concludes by necessary inference that kinetic energy law is irrelevant to the selection of inertia reference system.
对于受速率为常数约束的运动质点，可以应用动能定理建立其运动微分方程。
The differential equations of motion of a particle constrained to moving in a constant speed are deduced from the kinetic energy theorem.
从动能定理出发，推导出一个对速度瞬心轴的角动量定理，它是一个简便的标量方程。
In accodance with kinetic energy theorem, this paper presents an angular mo- mentum theorem of velocity instantaneous centre axis. This theorem is a simple and convenient scalar equation.
给出变质量质点的动能定理和一对反推内力作功的表达式，并由此给出软绳问题的正确解释。
A theorem on kinetic energy for variable mass-point and formula of work of recoil internal forces are given and the reason of soft-rope query is discussed.
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.
从变质量物体的动力学方程出发，推导出变质量系统的动能定理。指明其实用价值，并举例加以说明。
The kinetic energy theorem of mass variable system is derived from the kinetic equation of mass variable body. The practical value of it is pointed out using an example.
本文取得如下成果：借助矢量法、约束方程和动能定理分别构造出机械手的位置逆解模型、速度雅克比矩阵、质量惯性矩阵。
With the aid of vector method, constraint equation, kinetic energy consideration, the inverse position model, Jacobian matrix and mass matrix have been developed.
从悬索的悬链线标准线形出发，对滑索进行设计计算； 按能量的观点分析影响滑速的诸多因素，用动能定理导出滑速的计算式。
Many factors of influencing on sliding speed were analyzed from the viewpoint of energy, and the calculation formulas of sliding speed were deduced by kinetic energy theorem.
从悬索的悬链线标准线形出发，对滑索进行设计计算； 按能量的观点分析影响滑速的诸多因素，用动能定理导出滑速的计算式。
Many factors of influencing on sliding speed were analyzed from the viewpoint of energy, and the calculation formulas of sliding speed were deduced by kinetic energy theorem.
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