Draw the influence line for the reaction at C. What is the line’s maximum value? Let L1 = 6 m and L2 = 4 m.

The beam supports a single live load of 2,980 lb. 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.

A conjugate beam is drawn so that its _______ and _______ correspond to the slope and deflection of the real beam.

The beam is fixed at wall B. Determine the reaction moment MB at point B. Let L = 30 ft, M = 950 lb·ft, P = 725 lb and w0 = 225 lb/ft.

Draw the influence line for the vertical reaction at A. What is the line’s minimum value? Let L1 = 6 m and L2 = 3 m.

The beam is fixed at wall B. Determine the internal bending moment at point C, which is x = 8 ft to the right of support A. Let L = 30 ft, M = 900 lb·ft, P = 750 lb and w0 = 250 lb/ft.

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 maximum value? Let L = 12 ft.

For the given influence line, where should a concentrated live load be placed to have the largest positive influence?

Determine the vertical reaction force at B. Let P1 = 140 kN, P2 = 50 kN, P3 = 100 kN, and a = b = c = d = 2.7 m.

Draw the influence line for the shear at B. What is the line’s maximum negative value? Let L1 = 5 m and L2 = 9 m.