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Phtsics acceleration of a man pulling rope

  1. Jan 11, 2017 #1
    1. The problem statement, all variables and given/known data
    If the crate of bricks has a mass of 25kg and coefficient of friction of 0.36, what will the acceleration be if the person exerts a force of 120 N.
    The picture is of a guy pulling a pallet of bricks at a 30 degree angle above the horizontal
    2. Relevant equations

    Apparently I need trig
    3. The attempt at a solution
     
  2. jcsd
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