Question: Solve Prob. F81 using Castiglianos theorem. Data from Prob. F81 Determine the vertical displacement of joint B. AE is constant. Use the principle of virtual
Solve Prob. F8–1 using Castigliano’s theorem.

Data from Prob. F8–1
Determine the vertical displacement of joint B. AE is constant. Use the principle of virtual work.
Castigliano's Theorem. Setting P = 20 kN, its actual value, and applying Eq. 8-28, 3 kN Ac 3 kN = = = |x|1 - 2 m 0 M M (34x4x1)(0.5x1) dx *(18x2)(0.5x) dx2 JM dx aP/EI 234.7 kNm 192 kN.m M' (c) Fig. 8-28 + M 5 426.7 kN m
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