2.5 m Use the complementary virtual work method to determine the horizontal and vertical displacements at point p for each truss and loading shown in Figures Q2-A and Q2-B. [16 Marks] Hint: Area in parentheses (mm) on each member; E-200 GPa. (15000) (2000) (5000) (25000) -5 m- (2000) F (1000) B 15 kN 30 kN 4 m- (800) (10000) (5000) (20000) -5 m- Figure Q2-A (500) B=P 30 kN Figure Q2-B G (2000) 20 kN (1000) (800) 4 m- (5000) (15000) 5 m- C 2 3 2 3 D=P 30 kN