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A block (mass m=8kg) rests on a surface with friction. The coefficients of static and kinetic friction are µs=0.75, and µk=0.6, respectively. (a) What force (F), applied horizontally, is needed to get the block moving? (6 points) (b) Once moving, if the applied force is now F=50N, how much does the block accelerate? (6 points)
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