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M = 100 KN m 300mm 1 30mm centroid = 30x300x1.50 +300x30x315 Centroidal anis. 3oomm 30x300 + 300x30 232-5mm A SO = 232.5 Bromm Reference I- 3 30 x 300 30 x 300 x 82.5% + 30' x 300 + + 30x300 x 82:52 12 12 I = 190,687,500 mm Marimum bending stress = Mх 8 I 100 X 10 x 232-5xro 190687500 x 10 -12 = 1210 927 MPa (at B) It is tenerle stress, since Mas tve. Minimum bending stressco at the centroidal anis. Since there is shear force provided and the bending moment doesn't result in is constant.
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Shear force =0 v=0 Ta VQ =0 It Zero Shear stress at A.
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