3. Determine the vertical displacement of joint D. Given AE consta D 3 m 4 m 4 m 15 kN 20 kN

1 of 1 60 60 АВ BC CD DI HI GH 53.130 \53.130° 53.130 \53.130° FG EF C D EA ЕВ 60 FB BG Use truss by joints GC GD Solve for the magnitude of all members and determine if they are in tension or compression. HD Support reactions are already calculator for you. Ax = 270 kN right Ex = 270 kN left Ey = 180 kN up %3D Keep calculations to 2 decimal places. Units are kN. One grid = 1m

1. Determine the vertical displacement of joint D. Use the method of virtual work. AE is constant. Assume the members are pin connected at their ends. 4 m 4m- 15 KN 20 kN