Please solve F9-22 only! Thanks so much. I am trying to understand the concept behind this theorem.
921. Determine the slope and displacement at point C. Use the principle of virtual work. Elis constant.
922. Solve Prob. 9-21 using Castigliano's theorem.
15 kN
6 kN/m
3 m
3 m
Probs. 9-21/22