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    Bending Moment

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    The bending moment M at position x m from the end of a simply supported beam of length L m carrying a uniformly distributed load of w Kn m-1 is given by:

    M = w/2 L (L-x)- w/2 (L - x)^2

    Show using the above expression that the maximum bending moment occurs at the mid point of the beam and determine its value in terms of w and L hide problem.

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    Solution Preview

    M = (w/2) L(L - x) - (w/2) (L - x)^2

    Differentiating with respect to x, we get

    dM/dx = (w/2) L(-1) - (w/2) ...

    Solution Summary

    Provides steps necessary to determine the maximum bending moment.