Homework Help: Physics

Posted by Maria on Tuesday, November 2, 2010 at 6:14pm.

A 23.0 kg block is initially at rest on a horizontal surface. A horizontal force of 80.0 N is required to set the block in motion. After it is in motion, a horizontal force of 57.0 N is required to keep the block moving with constant speed. Find the coefficients of static and kinetic friction from this information

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