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A). hat is the minimum coeffecient of static friction mu_min required between the ladder and the ground so that the ladder does not slip?
Express mu_min in terms of m_1, m_2, d, L, and theta.

B). Suppose that the actual coefficent of friction is one and a half times as large as the value of mu_min. That is, mu_{rm s} = (3/2)mu_{rm min}. Under these circumstances, what is the magnitude of the force of friction f that the floor applies to the ladder?
Express your answer in terms of m_1, m_2, d, L, g, and theta. Remember to pay attention to the relation of force and mu_s.

#### Solution Summary

The solution shows how to find out the minimum coeffecient of static friction between the ladder and the ground so that the ladder does not slip.

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