The dresser has a weight of 80 lb and is pushed along the floor. If the coefficient
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Question:
The dresser has a weight of 80 lb and is pushed along the floor. If the coefficient of static friction at A and B is ? s = 0.3 and the coefficient of kinetic friction is ? k =0.2, determine the smallest horizontal force P needed to cause motion. If this force is increased slightly, determine the acceleration of the dresser. Also, what are the normal reactions at A and B when it begins to move?
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