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Homework Help: Internal forces

  1. Nov 21, 2013 #1
    1. The problem statement, all variables and given/known data

    http://postimg.org/image/i1r51jolz/ [Broken]

    3. The attempt at a solution
    can someone help me determine the internal forces I need to work out the stresses for part A?
    http://postimg.org/image/c2uv3fwmt/ [Broken]

    I cant really get any forces from the diagram I drew?
    Last edited by a moderator: May 6, 2017
  2. jcsd
  3. Nov 21, 2013 #2
    You almost have it. From an overall force balance, how is F1 related to Pc? Once you establish this, substitute it into the equations you have already developed. This will give you all the rest of the forces.

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