*1-48. The beam is supported by a pin at A and a short link BC. If P = 15 kN, determine the average shear stress developed in the pins at A, B, and C. All pins are in double 4P 4P 2P shear as shown, and each has a diameter of 18 mm. 0,5m | 0.5 m -1.5 m² 1.5 m 30 B

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