Question: Solve Prob. 81 using Castiglianos theorem. Data from Prob. 81 Determine the vertical displacement of joint A. Assume the members are pin connected at their

Solve Prob. 8–1 using Castigliano’s theorem.8 ft A 3 k -6 ft- 6 k 'D t -6

ft- Probs. 8-1/2 C B


Data from Prob. 8–1

Determine the vertical displacement of joint A. Assume the members are pin connected at their end points. Take A = 3 in2 and E = 29(103) ksi for each member. Use the method of virtual work.

8 ft A 3 k -6 ft- 6 k 'D t -6 ft- Probs. 8-1/2 C B

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