Author: Anonymous

If P = 248 kN, determine the normal stress produced at point H of the pier support shown.

A 69-lb child and a 31-lb cardboard box are on an oak beam. Determine the vertical reaction force at the left end of the beam. Let a = 24 in., b = 33 in., and c = 43 in.

If w = 9.25 in., find the moment of inertia about the z axis. The centroid of the section is located 2.8885 in. above the bottom surface of the beam.

An aluminum [E = 8,310 ksi] bar is bonded to a steel [E = 27,350 ksi] bar to form a composite beam as shown. The composite beam is subjected to a bending moment of M = +340 lb-ft about the z axis. If the centroid of the equivalent all-aluminum beam is 0.633 in. above the bottom surface of the beam, and the moment of inertia about the z axis of the equivalent all-aluminum beam is 0.2109 in.4, find the magnitude of the maximum bending stress in the steel.

For a beam with the cross-section shown (w = 15 in. and h = 4 in.), find the distance from the bottom surface of the beam to the centroid.

If w = 7.25 in., find the moment of inertia about the z axis. The centroid of the section is located 2.7675 in. above the bottom surface of the beam.

If P = 130 kN, determine the normal stress produced at point H of the pier support shown.

For a beam with the cross-section shown and loaded as shown, find the magnitude of the maximum bending stress in the beam. The moment of inertia about the z axis is 257,633 mm4, the centroid of the section is located 19.67 mm above the bottom surface of the beam, and M = 570 N-m.

A 72-lb child and a 34-lb cardboard box are on an oak beam. Determine the vertical reaction force at the left end of the beam. Let a = 21 in., b = 31 in., and c = 50 in.

An aluminum [E = 13,800 ksi] bar is bonded to a steel [E = 26,950 ksi] bar to form a composite beam as shown. The composite beam is subjected to a bending moment of M = +306 lb-ft about the z axis. If the centroid of the equivalent all-aluminum beam is 0.581 in. above the bottom surface of the beam, and the moment of inertia about the z axis of the equivalent all-aluminum beam is 0.1701 in.4, find the magnitude of the maximum bending stress in the steel.