The beam supports a single live load of 2,500 lb, a uniform live load of 400 lb/ft, a uniform dead load of 65 lb/ft. Determine the maximum negative shear that can be developed at point B. Assume the support at A is a pin and C is a roller. The influence lines for VB and MB are shown, along with the peak values of the influence lines.

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 BC. Let F1 = 450 lb, F2 = 750 lb, and L = 5 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 AB. Let F1 = 600 lb, F2 = 600 lb, and L = 5 ft.

The beam supports a uniform live load of 600 lb/ft. Determine the maximum positive shear that can be developed at point B. Assume the support at A is a pin and C is a roller. The influence lines for VB and MB are shown, along with the peak values of the influence lines.

The beam supports a uniform live load of 330 lb/ft. Determine the maximum positive shear that can be developed at point B. Assume the support at A is a pin and C is a roller. The influence lines for VB and MB are shown, along with the peak values of the influence lines.

Assuming that the live loads are transmitted to the bottom chords of the truss, draw the influence line for the force in member DH. What is the line’s maximum value? Let L = 12 ft.

A truck exerts wheel reactions P1 = 10 kips and P2 = 4 kips on the deck of a bridge. Determine the maximum positive shear at C. Assume the truck only travels in the direction shown. The influence lines for VC and MC are shown, along with the peak values of the influence lines.

The roof truss is pin supported at A and roller supported at E. Determine the magnitude of the force in member CD. Let F1 = 10 kN and F2 = 6 kN.

Assume that w0 = 115 N/m and L = 3 m. Determine the shear-force equation V(x) for this beam and loading.

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