QUESTION 2. An oblique bending moment of M = 5 kN.m is applied on the cross-section of an aluminum beam as shown in the figure. (a) Calculate the maximum values of compressive and tensile normal stresses on the cross section. (b) Define the orientation of the neutral axis and draw on the cross-section. M-5 kN.m 30° 10 mm 40 mm 10 mm 40 mm 30 m 30 mm 10 mm 10 mm

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A 5.1 m long simply supported wood beam carries a uniformly distributed load of 11.3 kN/m, as shown in Figure A. The cross-sectional dimensions of the beam as shown in Figure B are b = 205 mm, d = 460 mm, yH = 77 mm, and yx = 162 mm. Section a-a is located at x = 1.3 m from B. (a) At section a-a, determine the magnitude of the shear stress in the beam at point H. (b) At section a-a, determine the magnitude of the shear stress in the beam at point K. (c) If the allowable shear stress for the wood is 850 kPa, what is the largest distributed load w that can be supported by the beam? х В L Figure A

The cross-sectional dimensions of the beam shown in the figure are r = 113 mm and r;= 87 mm. Given M₂ = 16 kN-m, a = 37º, and ß = 53º, what are the bending stresses at points Hand K? H To a Part 1 Incorrect. Find the moment of inertia for a solid circular cross-section of radius 113 mm, then subtract the moment of inertia for a solid circular cross-section of radius 87 mm. Find the area moment of inertia for the cross-section about the z axis. Į₂ = mmª 7