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Progress is impossible without change; and those who cannot change their minds cannot change anything. ..."George Bernard Shaw(1865-1950, Irish dramatist, essayist and critic, Nobel Prize for Literature 1925)"
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Author Topic: Bouncing ball with rotation  (Read 5694 times)
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Fu-Kwun Hwang
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on: November 14, 2010, 04:18:11 am » posted from:Taipei,T\'ai-pei,Taiwan

The following simulation show a ball bouncing off the ground.
The ratio of velocity after bouncing to velocity before bouncing is eta.
i.e. vy'=eta *vy; (eta=0.95 as default)

The momentum change \Delta P= m (eta+1)vy
Assume the friction coeffieient is mu=0.1
The friction between ball and the ground produce momentum change and angular momentum change during bouncing.

 

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