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December 20, 2014

Homework Help: Physics

Posted by John on Monday, May 16, 2011 at 12:54am.

The two blocks in the figure, of mass m and M respectively, are not attached, but there is a coefficient of static friction u between them. The surface below the heavier block M is frictionless. What is the minimum force magnitude F required to keep the smaller block m from slipping down? Express your answer in terms of m, M, u, and g.

Figure:
______
___| |
F-->| m | M |
|___| |
|______|

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