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Homework Help: Calculating the magnitude and sense of a couple moment

  1. Mar 19, 2012 #1
    1. The problem statement, all variables and given/known data
    question is attached with thread


    2. Relevant equations



    3. The attempt at a solution
    Is attached with thread. I tried solving by creating a moment at a point, which I did at 2 separate points points to give me the same answer, which I would expect, however it is not the answer I am looking for, the actual answer is Mc=+18.3kN.m. If I made a mathematical error, what have I done? If I missed a step, which step did I miss and if it is neither of these and I am supposed to take a different approach to the problem, how should I do this. Thanks in advanced for any assistance
     

    Attached Files:

  2. jcsd
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