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The floor system of a gymnasium consists of a 120-mm-thick concrete slab resting on four steel beams (A = 9,500 mm2) that, in turn, are supported by two steel girders (A = 26,200 mm2). Determine the point load acting on girder AD at point B caused by dead load.

Determine the horizontal reaction force at A. Let P1 = 50 kN, P2 = 155 kN, P3 = 165 kN, and a = b = c = d = 2.2 m.

Determine the magnitude of the bending moment at C. Let w = 2.2 kip/ft, L1 = 16 ft, and L2 = 17 ft. Assume EI = constant.

Determine the magnitude of the reaction moment at A. Let P1 = 42.3 kips, P2 = 32.9 kips, and a = b = c = d = 11 ft.

Use the cantilever method to determine the magnitude of the approximate axial force in column AD. Let P1 = 16.6 kN, P2 = 39.7 kN, L1 = 8 m, and L2 = 6 m.

The roof truss is pin supported at A and roller supported at E. Determine the magnitude of the force in member CD. Let F1 = 5 kN and F2 = 14 kN.

Determine the fixed end moment FEMBC. Let w1 = 1.6 kip/ft, w2 = 2.6 kip/ft, L1 = 31 ft, and L2 = 28 ft. Assume EI = constant.

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 AI. Let F1 = 300 lb, F2 = 750 lb, and L = 5 ft.

Determine the horizontal reaction force at A. Let P1 = 85 kN, P2 = 185 kN, P3 = 55 kN, and a = b = c = d = 2.9 m.

The floor system of a restaurant consists of a 4-inch-thick reinforced concrete slab resting on three steel floor beams, which are in turn supported by two steel girders. The areas of cross section of the floor beams and the girders are 19.0 in.2 and 30.1 in.2, respectively. Determine the live load acting on beam CD.