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Including force in free body diagram

  1. Jan 17, 2007 #1
    Question
    The number of forces acting on a car parked on a hill(with parking brakes engaged) is
    Answers
    1,2,3,4




    When i drew the free body diagram, i got 4 but im not sure if i should include a force
     
  2. jcsd
  3. Jan 17, 2007 #2

    cristo

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    Which four forces did you get? Which one don't you tihnk you should include?
     
  4. Jan 17, 2007 #3
    i got Mg(weight),friction,normal force, and do i include force or there isnt one in this problem
     
  5. Jan 17, 2007 #4

    cristo

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    Your three forces are correct. I'm not sure what you mean by the fourth force. The car is at rest remember!
     
  6. Jan 17, 2007 #5
    o yea thank you
     
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