Castiglianos' Principle-Truss Example-1

[@sethwilliams3683]

Thank you sooo much for this! I now understand how to apply Castigliano's Principal to Trusses.

[@mayankkapoor693]

How can I find deflection at B joint?

[@simengg7824]

how to calculate force in a member given deflection for the same problem

[@FarooqKhan-cn2hw]

very nice