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A29 kg chair initially at rest on a horizontal floor requires a 171 n horizontal force to set it in motion. once the chair is in motion, a 135 n horizontal force keeps it moving at a constant velocity. the acceleration of gravity is 9.81 m/s 2 . a) what is the coefficient of static friction between the chair and the floor? 017 (part 2 of 2) 10.0 points b) what is the coefficient of kinetic friction between the chair and the floor?
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