Asked by Rylan
10. A large stone block has been loaded in the bed of a dump truck. The bed is slowly raised until it makes an angle of 30 degrees with the horizontal; at this point, the block starts to slide downward. What is the coefficient of static friction between the block and the truck bed?
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Answers
Answered by
bobpursley
force down the slide=friction
mg*sinTheta=mg*mu*cosTheta
tan theta= mu
mg*sinTheta=mg*mu*cosTheta
tan theta= mu
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