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Can I use 2 different coordinate systems for one system?

  1. Sep 10, 2014 #1
    1. The problem statement, all variables and given/known data
    As shown in the image below, can I use 2 different co-ordinate systems when drawing the free body diagram for each object?
    attachment.php?attachmentid=72953&stc=1&d=1410343685.png


    2. Relevant equations



    3. The attempt at a solution
     

    Attached Files:

  2. jcsd
  3. Sep 10, 2014 #2
    Yes. Yes I can.
     
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