Determine the vertical reaction force at A. Let P1 = 35.6 kips, P2 = 31.5 kips, and a = b = c = d = 11 ft.

The roof truss is pin supported at A and roller supported at E. Determine the magnitude of the force in member CD. Let F1 = 10 kN and F2 = 12 kN.

The floor system of a gymnasium consists of a 120-mm-thick concrete slab resting on four steel beams (A = 9,300 mm2) that, in turn, are supported by two steel girders (A = 26,000 mm2). Determine the point load acting on girder AD at point B caused by dead load.

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 BC. Let F1 = 500 lb, F2 = 800 lb, and L = 5 ft.

The floor system of a library reading room consists of a 150-mm-thick concrete slab resting on four steel beams (A = 9,600 mm2) that, in turn, are supported by two steel girders (A = 25,616.8 mm2). Determine the live load acting on beam DH.

The plane truss is _______.

Determine the magnitude of the largest bending moment in the beam. Assume L = 4 ft, P = 650 lb, and w = 100 lb/ft.

The beam is fixed at wall B. Determine the internal bending moment at point C, which is x = 9 ft to the right of support A. Let L = 30 ft, M = 900 lb·ft, P = 825 lb and w0 = 200 lb/ft.

The floor system of an apartment building consists of a 5-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 19.2 in.2 and 30.5 in.2, respectively. Determine the dead load acting on beam AB.

The beam is fixed at wall B. Determine the internal bending moment at point C, which is x = 7 ft to the right of support A. Let L = 30 ft, M = 1,000 lb·ft, P = 825 lb and w0 = 200 lb/ft.