1. Determine the joint displacements, member axial forces, and support reactions for the Baltimore bridge truss shown in Fig. 3.11. 13 3.5 m 3.5 m 120 kN 120 kN 120 kN 120 kN 120 kN 120 kN 120 kN 8 at 6 m 48 m EA = constant f f t E = 200 GPa A = 20.000 mm? Fig. 3.11 Baltimore bridge truss