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Newton's Laws of Motion

  1. Sep 20, 2007 #1
    1. The problem statement, all variables and given/known data

    Two blocks m1 = 8.5 kg and m2 = 4.0 kg are connected by a homogeneous rope that has a mass of mr = 1.14 kg. A constant vertical force, F = 180.4 N, is applied to the upper block. What is the magnitude of the acceleration of the system?

    2. Relevant equations

    F=ma

    3. The attempt at a solution

    I've got no clue! Can neone help?
     
  2. jcsd
  3. Sep 20, 2007 #2

    D H

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    Is gravity involved, or is this the only force acting on the system?

    What is the total mass of the system?
     
  4. Sep 20, 2007 #3
    Yes gravity is a factor
     
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