Advanced physics

Question 2 (10 Marks) Find the vertical deflection of the joint C in a two- member truss as shown in Fig. 2. The area of the inclined tie member AC is 2000 mm-, while the area of the horizontal member BC is 1600 mm2. Assume E = 200 kN/mm- and all joints to be pin. A 3 m C B 4 m 120 KN Fig. 2. A truss structure for vertical deflection calculation