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Question: Force of Friction

  1. Oct 27, 2008 #1
    1. How much frictional force is acting on a 75 kg cart if a push of 220N results in an acceleration of 2.0m/s2?
    (hint: how much force would have been required to accelerate the cart at that rate if there were no friction - the extra force is the amount needed to overcome friction)

    I honestly have no idea how to solve this, im in basic highschool physics and my teacher's teaching styles don't work for me. Can anyone please help???
  2. jcsd
  3. Oct 27, 2008 #2
    Have a go at the problem mentioned in the hint. What force do you require to accelerate a 75 kg cart at a rate of 2.0 m/s^2
  4. Oct 27, 2008 #3
    first find the force using mass * acceleration
    then subtract the difference at easy as that.don't be scared because of your teacher.
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