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Determine the magnitude of the approximate bending moment at E in girder EF. Let w1 = 12 kN/m, w2 = 44 kN/m, L1 = 9 m, L2 = 7 m, and L3 = 7 m.

Use Robot to determine the magnitude of the vertical reaction force at A. Let w = 28 kN/m, and L = 9 m. Delete the self-weight of the beam.

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 = 20 kN, P2 = 36 kN, L1 = 10.0 m, L2 = 6.2 m, and L3 = 6.3 m.

Determine the magnitude of the bending moment at C. Let w = 2.4 kip/ft, L1 = 36 ft, and L2 = 27 ft. Assume EI = constant.

Use the cantilever method to determine the magnitude of the approximate axial force in column CF. Let P1 = 25.1 kN, P2 = 44.7 kN, L1 = 10 m, and L2 = 7 m.

Use Robot to determine the magnitude of the vertical reaction force at A. Assume that M = 160 kN·m, P = 60 kN, w = 80 kN/m, and L = 1.9 m. Delete the self-weight of the beam.

Determine the magnitude of the approximate bending moment at D in girder DE. Let w1 = 20 kN/m, w2 = 36 kN/m, L1 = 8 m, L2 = 5 m, and L3 = 7 m.

How do you know when there is no point to doing another degree of moment distribution?   

Use Robot to determine the magnitude of the vertical reaction force at A. Let w = 17 kN/m, and L = 7 m. Delete the self-weight of the beam.

Determine the magnitude of the bending moment at B. Let w = 2.9 kip/ft, L1 = 21 ft, and L2 = 34 ft. Assume EI = constant.