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Determine the value of the section modulus, S, about the horizontal z axis for the section. Let bf = 10 in., d = 24 in., tw = 0.250 in., and tf = 0.750 in.

Determine the nominal flexural strength, Mn, of a W12x40 for a simple span of 10 ft with continuous lateral support. Use Fy = 90 ksi and Cb = 1.0.

For a W-shape beam with a moment of inertia of 675 in.4 and a depth of 18 in., determine its yield moment, My. Assume the steel is A913 Grade 70.

For a W-shape beam with a moment of inertia of 870 in.4 and a depth of 14 in., determine its yield moment, My. Assume the steel is A572 Grade 60.

Determine the value of plastic section modulus, Z, about the horizontal z axis for the section. Let bf = 8 in., d = 20 in., tw = 0.500 in., and tf = 0.625 in.

A W8x31 made of A572 Grade 60 steel is subjected to a maximum bending moment of 96 kip-ft about its x-axis. Determine the maximum magnitude of bending stress in the beam.

Determine the value of plastic section modulus, Z, about the horizontal z axis for the section. Let bf = 11 in., d = 20 in., tw = 0.375 in., and tf = 0.625 in.

A W12x40 made of A572 Grade 65 steel is subjected to a maximum bending moment of 160 kip-ft about its x-axis. Determine the maximum magnitude of bending stress in the beam.

A W16x36 made of A572 Grade 65 steel is subjected to a maximum bending moment of 170 kip-ft about its x-axis. Determine the maximum magnitude of bending stress in the beam.

For a W-shape beam with a moment of inertia of 495 in.4 and a depth of 22 in., determine its yield moment, My. Assume the steel is A572 Grade 42.