Homework Help: Physics

Posted by NHS on Monday, September 17, 2007 at 11:50pm.

A 51.0 kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.710 and 0.440, respectively.

(a) What horizontal pushing force is required to just start the crate moving?
N
(b) What horizontal pushing force is required to slide the crate across the dock at a constant speed?
N

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