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Finding the coefficient of kinetic friction

  1. Oct 10, 2007 #1
    1. The problem statement, all variables and given/known data
    A 16.5 kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 82.0 N and is directed at an angle of 30.0° above the horizontal. Determine the coefficient of kinetic friction.


    2. Relevant equations



    3. The attempt at a solution
    I have no idea where to begin.
     
  2. jcsd
  3. Oct 10, 2007 #2
    Have you drawn the FBD?

    What forces are acting on the sled?
     
  4. Oct 11, 2007 #3
    i have no idea what is going on in the problem at all...
     
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