Determine the size of square bearing plates A€² and B€² required to support the loading. Take P = 1.5 kip. Dimension the plates to the nearest 1/2 in. The reactions at the supports are vertical and the allowable bearing stress for the plates is (σb)_allow= 400 psi.

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3 kip 2 kip 2 kip 2 kip 5 ft- 7.5 ft- - 5 ft -5 ft - B' A' B.