Question: A beam with the square cross section shown carries a maximum bending moment of 8000 lb ft. Determine the maximum bending stress if the

A beam with the square cross section shown carries a maximum bending

A beam with the square cross section shown carries a maximum bending moment of 8000 lb ft. Determine the maximum bending stress if the beam is first oriented as shown in (a), and then as shown in (b). For both orientations, the z-axis is the neutral axis; that is, the axis about which the bending moment acts. Z- 6 in. (a) 6 in. FIG. P5.6 6 in. (b) 6 in.

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