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 = 400 lb, F2 = 600 lb, and L = 5 ft.

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 = 700 lb, F2 = 750 lb, and L = 5 ft.

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 CD. Let F1 = 450 lb, F2 = 600 lb, and L = 5 ft.

Determine the magnitude of the largest shear force in the beam. Assume L = 4 ft, P = 750 lb, and w = 300 lb/ft.

Determine the magnitude of the largest bending moment in the beam. Assume L = 1 ft, P = 850 lb, and w = 150 lb/ft.

Determine the magnitude of the largest shear force in the beam. Assume L = 5 ft, P = 600 lb, and w = 250 lb/ft.

Determine the vertical reaction force at A. Let M = 90 kN·m, w = 30 kN/m, P = 150 kN, a = 4 m, b = 8 m, and c = 5 m.

The floor system of a school classroom consists of a 150-mm-thick concrete slab resting on four steel beams (A = 9,300 mm2) that, in turn, are supported by two steel girders (A = 25,453 mm2). Determine the live load acting on beam AE.

Determine the magnitude of the largest shear force in the beam. Assume L = 3 ft, P = 750 lb, and w = 250 lb/ft.

A hinge support has how many unknowns?