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April 20, 2014

Homework Help: physics

Posted by Jul on Wednesday, November 9, 2011 at 5:59pm.

A 248-kg crate rests on a surface that is inclined above the horizontal at an angle of 19.5. A horizontal force (magnitude = 537 N and parallel to the ground, not the incline) is required to start the crate moving down the incline. What is the coefficient of static friction between the crate and the incline?

can some1 plz explain this to me?

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