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Homework Help: Support reactions

  1. Oct 28, 2013 #1
    1. The problem statement, all variables and given/known data

    http://postimg.org/image/60w1pznz9/



    Are the forces at A the same for members ADE and member ABC?

    Likewise, are the forces at D the same for members FDB and ADE?
     
  2. jcsd
  3. Oct 28, 2013 #2

    haruspex

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    Not sure what you're asking. There are forces at A due to members ADE and ABC, but those two forces will be different.
     
  4. Oct 29, 2013 #3
    So for their FBD's, the forces at A will be different for member ADE, ABC, and the frame as a whole?

    Are these forces at A related?
     
  5. Oct 29, 2013 #4
    Since A is a fixed point, I don't think the forces are related over there. You can probably assume that any force acting on that point of either rod will be counteracted by the ground.
     
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