Assuming that the live loads are transmitted to the bottom chords of the truss, draw the influence line for the force in member BC. What is the line’s minimum value? Let L = 16 ft.

The beam is fixed at wall B. Determine the vertical reaction force By at point B. Let L = 30 ft, M = 950 lb·ft, P = 725 lb and w0 = 250 lb/ft.

The roof truss is pin supported at A and roller supported at E. Determine the magnitude of the force in member CD. Let F1 = 5 kN and F2 = 5 kN.

Draw the influence line for the moment at B. What is the line’s maximum value? Let L1 = 3 m and L2 = 11 m.

Determine the vertical displacement of joint B. Assume A = 2 in.2 and E = 29,000 ksi for each member. Let P = 590 lb and L = 8 ft.

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 CD. Let F1 = 350 lb, F2 = 900 lb, and L = 5 ft.

Determine the vertical displacement of joint A if members AE and DE experience a temperature increase of 45°C. Let L = 8 m and α = 9.0E-6/°C.

Determine the vertical displacement of joint B. Assume A = 2 in.2 and E = 29,000 ksi for each member. Let P = 470 lb and L = 8 ft.

Assume that w0 = 183 N/m and L = 2 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.