Question

5.5 Find the maximum bending stress in the rectangular wooden beam. 180 kN/m 120 mm A B 240 mm 12 m 1200 kN FIG. P5.5 5.6 A beam with the square cross section shown carries a maximum bending moment of 24,000 N · m. 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. y z 150 mm 150 mm (a) y z 150 mm 150 mm (b)

          5.5 Find the maximum bending stress in the rectangular wooden beam.

180 kN/m
120 mm
A
B
240 mm
12 m
1200 kN

FIG. P5.5

5.6 A beam with the square cross section shown carries a maximum bending moment of 24,000 N · m. 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.

y
z
150 mm
150 mm
(a)

y
z
150 mm
150 mm
(b)

5.5 Find the maximum bending stress in the rectangular wooden beam.

180 kN/m
120 mm
A
B
240 mm
12 m
1200 kN

FIG. P5.5

5.6 A beam with the square cross section shown carries a maximum bending moment of 24,000 N · m. 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.

y
z
150 mm
150 mm
(a)

y
z
150 mm
150 mm
(b)

Added by Ashley J.

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