USE VIRTUAL WORK METHOD
PLEASE PROVIDE COMPLETE SOLUTION SO I CAN FOLLOW
Extracted text: Determine the smallest cross-sectional area A required for the members of the truss shown, so that the horizontal deflection at joint D does not exceed 10 mm. (3) (4) 50 KN 50 kN 50 kN 100 KN S0 KN 100 kN E D Im 4 m B 2 at 2m = 4m EA - constant E - 120 GPa - 3 m EA- constant E-70 GPA