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Homework Help: Newton's Third Law (Dynamics)

  1. Feb 11, 2008 #1
    1. The problem statement, all variables and given/known data

    In a tractor pulling contest, a 2300-kg tractor pulls a 4900-kg sledge with an acceleration of 0.61 m/s^2. If the tractor exerts a horizontal force of 7700 N on the ground, determine the magnitudes of (a) the force of the tractor on the sledge; (b) the force of the sledge on the tractor; and (c) the frictional force extended on the sledge by the ground.

    2. Relevant equations

    Fnet = ma

    3. The attempt at a solution
  2. jcsd
  3. Feb 12, 2008 #2
    What do you have so far, which part can't you do? You don't seem to have made an attempt yet.
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