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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 19.3 in.2 and 34.3 in.2, respectively. Determine the dead load acting on beam AB.

The floor system of a gymnasium consists of a 130-mm-thick concrete slab resting on four steel beams (A = 8,800 mm2) that, in turn, are supported by two steel girders (A = 25,100 mm2). Determine the point load acting on girder AD at point C caused by dead load.

The floor system of a school classroom consists of a 6-inch-thick reinforced concrete slab resting on four steel beams (A = 19.2 in.2), which are supported by two steel girders (A = 30.7 in.2). The girders, in turn, are supported by four columns. Determine the live load acting on column A.

Determine the vertical reaction force at A. Let M = 140 kN·m, w = 25 kN/m, P = 130 kN, a = 4 m, b = 8 m, and c = 4 m.

The floor of an apartment building is subjected to a uniformly distributed load of 34.5 psf over its surface area. Determine the axial load acting on column J.

Determine the vertical reaction force at B. Let P1 = 180 kN, P2 = 60 kN, P3 = 60 kN, and a = b = c = d = 2.3 m.

The roof of a single-story storage building shown below, is subjected to a uniformly distributed load of 1.00 kPA over its surface area. Determine the load acting on floor beam AD.

The roof of a single-story storage building shown below, is subjected to a uniformly distributed load of 0.82 kPA over its surface area. Determine the load acting on floor beam AD.

What is a characteristic of a concurrent force system?

Determine the vertical reaction force at B. Let P1 = 180 kN, P2 = 50 kN, P3 = 200 kN, and a = b = c = d = 3.9 m.