For the grid shown in Figure P5–48, determine the nodal displacements and the local el...

For the grid shown in Figure P5–48, determine the nodal displacements and the local element forces. Let E = 30 × 10⁶ psi, G = 12 × 10⁶ psi, I = 200 in.⁴, and J = 100 in.⁴ for both elements.