Question: Solve Prob. 87 using Castiglianos theorem. Data from Prob. 87 Determine the vertical displacement of joint A. Each bar is made of steel and has

Solve Prob. 8–7 using Castigliano’s theorem. A 6k 2 in 3 in 8 ft E 3 in 9)00

B 2 in 2 in 3 in - 8 ft Probs. 8-7/8

Data from Prob. 8–7

Determine the vertical displacement of joint A. Each bar is made of steel and has the cross-sectional area shown. Take E = 29(10³) ksi. Use the method of virtual work. D 3 k 3 in 8 ft C

A 6k 2 in 3 in 8 ft E 3 in 9)00 B 2 in 2 in 3 in - 8 ft Probs. 8-7/8 D 3 k 3 in 8 ft C

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