Other 15 ASSIGNMENT 2 QUESTION 1 The plane truss shown in Figure 1 is supported at 1, 2 and 3 with hinge supports. Due to the combined effect of loading as shown in Figure 1, it has a settlement of 10 mm at the support 2. Assuming that E = 200 GPa and A = 2200 mm², use the stiffness matrix method to determine the following: (a) Member stiffness matrix (b) Structure stiffness matrix (c) Member forces (d) Reaction at the supports EA is constant along the length of the beam 6m 1.75 m Figure 1 300 kN 4.5 m 1.75 m 200 KN