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Homework Help: Reaction forces on a structure

  1. Sep 22, 2013 #1
    1. The problem statement, all variables and given/known data

    Problem 4.36
    http://xps2pdf.co.uk/4c82ad8dcb91d5507169e0a18804ea30bf81d592/4.36.pdf [Broken]
    2. Relevant equations

    3. The attempt at a solution
    I am not sure if I am doing this correctly..there is a lot of information that I am not using to solve the problem (i.e. all the different distances, as well as the 30°. When determining the direction of a reaction force (Say A for example) do I just pick an arbitrary direction and if it comes out negative I know it's direction is opposite of what I put it as? I chose the moment at point A because I knew the moments of force A would be zero, leaving me with only the applied force and force E, which has a roller on it so it can only have a reaction force in one direction.

    Attached Files:

    Last edited by a moderator: May 6, 2017
  2. jcsd
  3. Sep 22, 2013 #2


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    Gold Member

    Can't open the first file, but based on your work:
    looks good
    you don't need them if you are just looking for reactions
    Last edited by a moderator: May 6, 2017
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