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April 19, 2015

Homework Help: physics

Posted by helpppp meeeeeeee PHYSICS......................... on Wednesday, March 6, 2013 at 9:21am.

if the weight of the block,W,is 2.5 kilogram,the coefficient of static friction,0.25,and the coefficient of kinetic friction,0.15,determine: (a) the force necessary to hold the block sliding down (b) the force necessary to pull the block up the plane with uniform speed

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