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3 force members

  1. Oct 18, 2011 #1
    2 force members have to be collinear, is that the same way with 3 force members? Just a curious question.
  2. jcsd
  3. Oct 19, 2011 #2


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    For mechanical systems in static equilibrium, a 2-force member has collinear forces. A 2-force member can be in a state anywhere between tension and compression. A 3-force member is another animal.
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