A steel plate of dimensions 2.5 × 1.5 × 0.08 m and weighing 23.1kN is hoisted by steel cables with lengths L1 = 3.2 m and L2 = 3.9 m that are each attached to the plate by a clevis and pin (see figure). The pins through the clevises are 18 mm in diameter and are located 2.0 m apart. The orientation angles are measured to be θ = 94.4° and α = 54.9°.
For these conditions, first determine the cable forces T1 and T2, then find the average shear stress Ï„aver in both pin 1 and pin 2, and then the average bearing stress b between the steel plate and each pin. Ignore the mass of the cables.

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Clevis and Clevis and pin 2 Center of mass of plate Steel plate : (2.5 x 15 x008 m) 0