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Converting uniformly distributed load applied to a surface on an angle to point loads

  1. Jan 24, 2013 #1
    rn3znzU.png

    If there is a uniformly distributed load due to gravity on a truss, how do I convert this into point forces on the three pin joints on the truss?

    I am having trouble trying to work it out as I'm pretty sure there will be both forces in the x and in the y for each of the joints, but I can't work out how to determine this.

    Thanks
     
  2. jcsd
  3. Jan 24, 2013 #2
    Re: Converting uniformly distributed load applied to a surface on an angle to point l

    Have you tried calculating the resultant force of the distributed force (which by the looks of your drawing will be at the middle joint, in the -y direction) and then calculated the forces in each truss due to the resultant force?

    Remember, the moment caused by a distributed force can be expressed as a single resultant force applied at a point.
     
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