Extracted text: QUESTION 4 The assembly consists of three titanium (E is 120 GPa) rods and a rigid bar AC. The cross sectional area of each rod is given in the figure. If force of 30 kN is applied to the ring F, determine the horizontal displacement of point F. 1.2 m AcD = 600 mm² %3D 0.6 m 03m E 30 kN 0.3 m AEF = 1200 mm? A AB= = 900 mm2 1.8 m