Draw the influence line for the shear at B. What is the line’s minimum value? Let L1 = 3 m and L2 = 7 m.

The beam supports a single live load of 1,620 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.

Determine the distribution factor DFBA. Let w = 1.6 kip/ft, L1 = 32 ft, and L2 = 27 ft. Assume EI = constant.

Determine the distribution factor DFCA. Let P1 = 17 kips, P2 = 20 kips, L1 = 22 ft, L2 = 12 ft, and L3 = 17 ft. Assume EI = constant.

Assume that P = 16.6 kips and L = 5.0 ft. Determine the reaction at support A. Assume that EI is constant for the beam.

Determine the distribution factor DFBA. Let w = 2.8 kip/ft, L1 = 30 ft, and L2 = 24 ft. Assume EI = constant.

Draw the influence line for the moment at B. What is the line’s maximum value? Let L1 = 5 m and L2 = 13 m.

Using the method of consistent deformations, determine the force in member AD. Let P = 25 kN, L1 = 3 m, and L2 = 5 m. Assume EA = constant.

Determine the slope at A that would be caused by the distributed load if the fixed support was a pin support, instead. Let w = 11 lb/in., a = 110 in., and EI = 233 × 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 BC. The line’s maximum value occurs _______. Let L = 20 ft.