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July 23, 2014

Homework Help: pysics

Posted by kassidy on Tuesday, October 1, 2013 at 6:13pm.

A dockworker loading crates on a ship finds that a 17-kg crate, initially at rest on a horizontal surface, requires a 71-N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 57 N is required to keep it moving with a constant speed. Find the coefficients of static and kinetic friction between crate and floor.

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