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Homework Help: Static indeterminacy question

  1. Nov 26, 2014 #1
    1. The problem statement, all variables and given/known data

    2. Relevant equations

    3. The attempt at a solution
    I drew a FBD and assigned x and y components at A. There is a normal force at B and F and M are known. I took this to mean that there are 3 unknowns in the problem, which should be able to be solved by my understanding.
    I dont uderstand why its statically inderterminate. Any help is appreciated. Thank you!
  2. jcsd
  3. Nov 26, 2014 #2


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    it's a clamped support, not a free moving joint.
  4. Nov 26, 2014 #3


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    There is more going on at A besides the x and y reaction forces at this fixed support.
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