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Summing moments about a point (statics)

  1. Oct 25, 2015 #1
    1. The problem statement, all variables and given/known data
    Hi, I don't have a specific problem, I just need to know what to do when summing the moments about a point if there is a moment given at a different point. Do I just add it into the equilibrium equation as if it was about the point I am summing the moments about?

    2. Relevant equations
    I don't have any relevant equations

    3. The attempt at a solution
    So far I have been adding the moment into the equation as if it where about the point I was summing the moments about.

    Thank You for your answers, I've been unsure about this for months and I may have lost points on the last test because of this.
  2. jcsd
  3. Oct 25, 2015 #2


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    Yes the moment of a couple about any point is the couple itself. So whatever point you choose , just add ( or subtract) that moment in your moment equilibrium equation.
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