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    Maximum Normal Stress Due to Bending

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    For the beam illustrated (see attachment), determine the dimension b for which the maximum normal stress due to bending is 40 MPa.

    a) 7.45 mm

    b) 8.95 mm

    c) 8.33 mm

    d) 9.36 mm

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    Solution Preview


    We know that section modulus of the rectangular section

    Z = bd2/ 6 = b3/6

    Normal stress / bending = M / Z


    Solution Summary

    For a give beam, the stress of bending is found in a Word attachment.