The lap joint is fastened with four 3/5 in-diameter rivets. The allowable normal stress in the plates is 30 ksi, allowable shearing stress is 24 ksi for the rivets and 28 ksi for the plates in bearing. Find the maximum safe axial load P that can be applied to the joint. Assume that the load is equally distributed among the rivets. Include the necessary FBDs showing the involved internal forces in the exploratory sections. Your solutions are invalidated without the required FBDs.

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