Homework Help: Physics

Posted by Bob on Thursday, November 15, 2012 at 10:13pm.

The diagram below shows a large cube of
mass 25 kg being accelerated across a frictionless
level floor by a horizontal force, F.
A small cube of mass 4.0 kg is in contact
with the front surface of the cube. The coefficient
of static friction between the cubes
is 0.71.

What is the minimum value of F such that the small cube will not slide down the large cube's side?

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