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Determine max notmal stress, average shearing stress and bearing stres

  1. Apr 24, 2013 #1
    1. The problem statement, all variables and given/known data
    The position of piston Cd is locked and force P = 350lb is applied as shown. The diameter of all pins and bolts is 3/8 in., member BCE has a thickness of 1/4 in., and member Ef has a width of 1 in. adn thickness 1/4 in.



    2. Relevant equations



    3. The attempt at a solution

    Unless I'm much mistaken, this is mostly a statics problem.

    Initially I tried drawing a FBD of member BCE with my x-axis along the bar starting at E and going right, and then I had my y-axis perpendicular to this (perpendicular to the bar BCE) pointin upwards.

    But this seems to give me 6 unknown forces, Bc, By, Cx, Cy, Ex and Ey.

    Any advice would be appreciated.
     

    Attached Files:

  2. jcsd
  3. Apr 25, 2013 #2

    SteamKing

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    P is the only force applied at point B. The components of P can be determined from the angle relationships shown on the diagram. You are given the magnitude of P (350 lbs). You should be able to write equations of equilibrium about point C.
     
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