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Equivalent force-couple system (conceptual)

  1. Nov 6, 2008 #1
    on a 3d graph i have 3 forces in different places pointing different directions. Im supposed to find the equivalent force-couple system about some point D. but 1 of the forces is aligned with point D and therefore creates no moment about D.

    how would i do this? Do i just find the moment of all the forces about point D and then put the Resultant of the 3 forces on D?
     
  2. jcsd
  3. Nov 7, 2008 #2

    tiny-tim

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    Hi jaredmt! :smile:
    Yup … add all the forces, and add all the moments …

    if one of them is zero, that saves you time … so have a cup of tea! :biggrin:
     
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