For a block of mass sliding on an incline that makes an angle with the horizontal

PHYSICS · Single correct · CBSE · Physics · Laws of Motion · Laws of Motion

Problem

For a block of mass mm sliding on an incline that makes an angle α\alpha with the horizontal, the coefficient of kinetic friction between the two surfaces is μk\mu_k. What is the magnitude of the kinetic frictional force acting on the block? (a) μkmgsin⁡α\mu_k m g \sin\alpha (b) mgsin⁡αm g \sin\alpha (c) μkmgcos⁡α\mu_k m g \cos\alpha (d) μkmg\mu_k m g

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