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Bending Moment Statics Solving

  1. Jan 1, 2018 #1
    1. The problem statement, all variables and given/known data
    https://imgur.com/a/AGJaN
    It's a project so not a textbook question.

    3. The attempt at a solution
    Given in imgur picture.

    I'm looking to solve for C. The problem is actually a trailer with 3 axles but simplifying here as 3 fixed points where the wheels would be. The wheels A and B will want to be sized to take the full load. However, how much load will the wheel at C be subject to here so I can size accordingly?
     
  2. jcsd
  3. Jan 2, 2018 #2

    haruspex

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    Since there are three supports, you cannot solve it representing the beam as rigid. You need to consider its deformation (a quartic).
    There is no way that A and B would take the full load, though, since the centre of the load is between B and C.
     
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