1. Determine the support reactions at A, C, ar compound beam which is pin connected at B an A 9 kN 10 kN·m BC D 10 kN E 1.5 m 1.5 m 1.5 m 1.5 m 1.5 m 1.5 m Prob. 6-71 2. Determine the horizontal and vertical com Tce at pins A, B, and C, and the reactions at ort D of the three-member frame.