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Homework Help: Tension of string between two blocks

  1. Oct 21, 2009 #1
    1. The problem statement, all variables and given/known data
    a 3.4 kg block A and 6.0 kg block Bvec are connected by a string of negligable mass. Force FA = (12 N) acts on block A; force FB = (24 N) acts on block B. What is the tension in the string?

    http://img25.imageshack.us/img25/2610/imagepn.jpg [Broken]

    2. Relevant equations


    3. The attempt at a solution

    I've tried adding the forces given because they're in the same direction. I've tried subtracting the forces, but thats obviously not how to go about doing this problem.

    I've solved the acceleration for each block, but I honestly don't know what to do for this problem. Could someone give a hint or two at what to do? Thanks.
    Last edited by a moderator: May 4, 2017
  2. jcsd
  3. Oct 21, 2009 #2
    Do your some of forces for the x and y direction for both boxes.

    Force of tension=mass1*a
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