A hotel guest starts to pull an armchair across a horizontal floor by exerting a force of 91N at 15° above the horizontal. The normal force exerted by the floor on the chair is 221N up. The acceleration of the chair is 0.076m/s2. Determine the mass of the chair and the coefficient of kinetic friction between the chair and the floor?
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floor by exerting a force of 91 N [15° above the horizontal]. The normal force exerted by the floor on the chair is 221 N. [up].
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