Centripetal force and tangential force or centrifugal force and tangential force could be used as a strain analysis method.
用向心力和切向力或离心力和切向力进行胁变分析是可行的。
The change of the seat Angle affects significantly the tangential force, the efficiency of the force, and action efficiency.
改变坐角显著影响脚蹬切向力、有效力及作用效率的大小。
Do the tangential force, the mormal force, the resultant force and their directions during oscillation of a simple pendulum change?
那么单摆在振动过程中，切向力、法向力及合力的大小和方向是否在变化?。
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