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    Mechanics of Materials and Critical Loads

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    A hollow brass rod is pin jointed and loaded in compression as shown. Knowing that the length L = 3 m, outside diameter D = 60 mm, and the wall thickness t = 10 mm

    Determine the critical load P. Use E = 105 GPa
    Choose One: 84.8kN 72.4kN 58.8kN 45.2kN

    Determine the normal stress at the critical load.
    Choose One: 32.15 MPa 37.44 MPa 41.87 MPa 47.75 MPa

    What is the strain energy at the critical load?
    Choose One: 31.45J 39.75J 44.47J 62.9J

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    Solution Summary

    This solution has step-by-step calculations to determine the critical load, normal stress and strain energy. All formulas used are shown.