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Homework Help: Physics Help- tension/acc

  1. Jul 18, 2007 #1
    I'm having trouble solving this problem, someone wanna help me out?

    Two blocks are connected by a cord as shown:
    Find the acceleration of the blocks.

    http://img177.imageshack.us/img177/2554/physicshc9.jpg [Broken]

    I have the answer, but I don't know how to get to it.

    the answer is 7.56
    Last edited by a moderator: May 3, 2017
  2. jcsd
  3. Jul 18, 2007 #2
    can you show the free body diagram that you made?????
  4. Jul 18, 2007 #3
    can you see the picture that i linked?
  5. Jul 18, 2007 #4
    http://img264.imageshack.us/img264/5738/physicsww5.jpg [Broken]

    here is what i added
    Last edited by a moderator: May 3, 2017
  6. Jul 18, 2007 #5
    your free body diagram seems alright..
    now apply the equation net force = mass * acc on both the bodies
  7. Jul 18, 2007 #6
    ok here is the fbd. try solving the equations now. solve for "a" eliminating T.
    one more thing, sorry for the pathetic condition of my drawing skills.

    Attached Files:

    • fbd.PNG
      File size:
      2 KB
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