A 27 kg chair initially at rest on a horizontal floor, Ask an Expert

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A 27 kg chair initially at rest on a horizontal floor requires a 376 N horizontal force to set it in motion. Once the chair is in motion, a 345 N horizontal force keeps it moving at a constant velocity. The acceleration of gravity is 9.81 m/s2 .

a) What is the coefficient of static friction between the chair and the floor?

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