truss. Problem No. 3 If the end displacements in the local coordinate system for member 9 in the truss shown below are [17.6 3.2 33 6] mm, 1- Calculate the member's axial force and state if it is tension or compression. 2- Calculate the member's nodal forces and nodal displacement in global coordinate. 6 m 6m 1 © 回 8 m 2 EA constant E=200 GPa 4 = 5,000 mm²