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Determine the horizontal distance from column ADG to the centroid of the columns. Assume all of the columns have the same cross sectional area. Let P1 = 28 kN, P2 = 40 kN, L1 = 9.3 m, L2 = 6.3 m, and L3 = 6.7 m.

Determine the reaction force at B. Let w = 17 lb/in., a = 56 in., and EI = 87 × 106 lb·in.2.

Using the method of consistent deformations, determine the magnitude of the reaction at B. Let w = 18 kN/m and L = 7 m.

Determine the distribution factor DFCB. Let w1 = 1.2 kip/ft, w2 = 3.0 kip/ft, L1 = 33 ft, and L2 = 26 ft. Assume EI = constant.

Determine the reaction moment at A. Let P = 140 lb, a = 55 in., and EI = 46 × 106 lb·in.2.

Determine the distribution factor DFEC. Let P1 = 13 kips, P2 = 13 kips, L1 = 24 ft, L2 = 12 ft, and L3 = 18 ft. Assume EI = constant.

Using the slope-deflection equations below, determine the beam slope at C. Let P1 = 17 kips, P2 = 16 kips, L1 = 22 ft, L2 = 12 ft, and L3 = 17 ft. Assume EI = constant.MAC = EIθC / 17 + 46.59MCA = EIθC / 8.5 + –85.41MCE = EIθC / 8.5 + 68MEC = EIθC / 17 + –68

Use Robot to determine the magnitude of the axial force in column FI. Assume each member is a steel W16x40, but delete the self-weight of the members. Let P1 = 14.0 kN, P2 = 38.0 kN, L1 = 10 m, L2 = 5 m, and L3 = 6 m.

Determine the reaction moment at A. Let P = 140 lb, a = 54 in., and EI = 230 × 106 lb·in.2.

A truck exerts wheel reactions P1 = 10 kips and P2 = 4 kips on the deck of a bridge. Determine the maximum positive moment 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.