An aluminum [E = 11490 ksi] bar is bonded to a steel [E = 34700 ksi] bar to form a composite beam as shown. The composite beam is subjected to a bending moment of M = +250 lb-ft about the z axis. If the centroid of the equivalent all-aluminum beam is 0.626 in. above the bottom surface of the beam, and the moment of inertia about the z axis of the equivalent all-aluminum beam is 0.2037 in.“, find the magnitude of the maximum bending stress in the steel. Steel 0.50 in. 0.50 in. Aluminum 1.50 in. O 20.9 ksi O 17.9 ksi O 16.6 ksi 22.8 ksi 19.4 ksi

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Slope and Deflection

The slope in a deflected beam is described as an angle in radians made by the tangent of the section with the original axis of the beam. The deflection at any point on the axis of the beam is defined as the lateral displacement of the point before and after loading.