Determine the slope at A that would be caused by the concentrated force if the fixed support was a pin support, instead. Let P = 172 lb, a = 50 in., and EI = 76 × 106 lb·in.2.

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

Draw the influence line for the moment at B. What is the line’s minimum value? Let L1 = 3 m and L2 = 10 m.

The beam supports a single live load of 2,820 lb. 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.

Determine the beam deflection at point H. Assume that EI = 3.78 × 1010 kN-mm2 is constant.

Draw the influence line for the shear at B. What is the line’s minimum value? Let L1 = 3 m and L2 = 8 m.

Assuming that the live loads are transmitted to the bottom chords of the truss, draw the influence line for the force in member BF. What is the line’s maximum value? Let L = 20 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 BC. Let F1 = 550 lb, F2 = 900 lb, and L = 5 ft.

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.