Math Problem Statement
试用静力学公理证明力偶的性质。 (1)只要保持力偶矩矢不变,力偶可以在其作用平面内任意移动或转动,也可以连同其作用平面一起平行移动,而不改变力偶对刚体的运动效应。 (2)只要保持力偶矩矢不变,可以同时改变组成力偶的力和力偶臂的大小,而不改变力偶对刚体的运动效应。
Solution
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Math Problem Analysis
Mathematical Concepts
Statics
Couples in Mechanics
Torque
Rigid Body Dynamics
Formulas
Torque (Moment) of a couple: \(\mathbf{M} = \mathbf{r} \times \mathbf{F}\)
Theorems
Principle of Statics Equivalence
Conservation of Moment
Suitable Grade Level
University Level - Engineering Mechanics
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