Homework Answers
Considering forces in vertical direction, weight of the crate = normal force on crate by floor
Mg = N
Consider forces in horizontal direction, applied force = force of friction
Fapp= fs
Fapp= 930N
Force of static friction ,fs = ms N , where ms is the coefficient of static friction
F= ms N
F = ms Mg
ms = F/ Mg = 930 / ( 150 x 9.8) = 0.633
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