The effective friction coefficient is applied to the study of the oblique impact of a rigidsphere against a ductile solid.
此有效摩擦系数被应用于研究刚性球自由斜冲击延性靶问题。
2
The perturbation method is used to analyse the motion of the rigidsphere under the action of the nonlinear sliding friction.
用摄动法分析刚球在非线性滑动摩擦力作用下的运动规律。
3
Experiment with a helium balloon, a hot air balloon, or a rigidsphere filled with different gases. Discover what makes some balloons float and others sink.