A steel post (E = 30 x 106 psi) having thickness t = 1/8 in. and height

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A steel post (E = 30 x 106 psi) having thickness t = 1/8 in. and height L = 72 in. supports a stop sign (see figure). The stop sign post is subjected to a bending moment M having its vector at an angle θ to the z axis.
Determine the orientation of the neutral axis and calculate the maximum tensile stress σt and maximum compressive stress σc in the beam. Assume that θ = 30° and M = 5.0 k-in.
Use the following numerical properties for the post: A = 0.578 in2, c1 = 0.769 in., c2 = 0.731 in., Iy = 0.44867 in4, and Iz = 0.16101 in4.
A steel post (E = 30 x 106 psi) having
A steel post (E = 30 x 106 psi) having
A steel post (E = 30 x 106 psi) having
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Mechanics of Materials

ISBN: 978-0495438076

7th edition

Authors: James M. Gere, Barry J. Goodno

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