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March 27, 2015

March 27, 2015

Posted by **Elisa** on Friday, July 11, 2008 at 8:07am.

- physics -
**drwls**, Friday, July 11, 2008 at 8:54amThe friction force M R w^2 * u must equal or exceed the weight M g.

Therefore u > g/(R w^2)

u is the coefficient of friction and w is the angular velocity. R is the radius of the cylinder.

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