The roof truss is pin supported at A and roller supported at E. Determine the magnitude of the force in member CD. Let F1 = 30 kN and F2 = 15 kN.

Determine the vertical displacement of joint A if members AE and DE experience a temperature increase of 37°C. Let L = 8 m and α = 10.1E-6/°C.

The truss is pin supported at A and rocker supported at E. Assume all members are pin connected. Determine the magnitude of the force in member AI. Let F1 = 450 lb, F2 = 800 lb, and L = 5 ft.

Assume that w0 = 187 N/m and L = 2 m. Determine the shear-force equation V(x) for this beam and loading.

The truss is pin supported at A and rocker supported at E. Assume all members are pin connected. Determine the magnitude of the force in member EF. Let F1 = 250 lb, F2 = 600 lb, and L = 5 ft.

Determine the vertical displacement of joint B. Assume A = 2 in.2 and E = 29,000 ksi for each member. Let P = 540 lb and L = 8 ft.

Determine the beam deflection at point H. Assume that EI = 3.88 × 1010 kN-mm2 is constant.

Which conjugate beam corresponds to real beam 5?

Assume that w0 = 169 N/m and L = 3 m. Determine the shear-force equation V(x) for this beam and loading.

Determine the vertical displacement of joint B. Assume A = 2 in.2 and E = 29,000 ksi for each member. Let P = 420 lb and L = 8 ft.