Homework Help: Physics

Posted by Maria Ellah on Monday, January 30, 2012 at 6:49am.

A force of 300 N is sufficient to keep a 100 kg crate moving at a constant speed across a wooden floor. What is the coefficient of sliding floor?

Physics - drwls, Monday, January 30, 2012 at 6:52am
The vertical force on the floor is M*g = 980 N

Uk*980 = 300 (since there is no acceleration)
Uk = 300/980 = 0.306
is the kinetic friction coefficient
Physics - Maria Ellah, Monday, January 30, 2012 at 7:02am
thank you!

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