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A ladder of mass 15kg leans against a smooth frictionless vertical wall making an angle of 45o with it. The other end of the ladder

A ladder of mass 15kg leans against a smooth frictionless vertical wall making an angle of 45o with it. The other end of the ladder rests on a rough horizontal floor. Assuming that the ladder is uniform, find the normal and the frictional force exerted by the horizontal floor on the ladder.

(6 pts)

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