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Friction propels cars?

  1. Sep 23, 2007 #1
    1. The problem statement, all variables and given/known data
    Describe how friction propels a car forward, then explain how friction slows a cars forward motion

    anyone have any idea?
     
  2. jcsd
  3. Sep 23, 2007 #2

    mgb_phys

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    How does the force get from the engine to the road?
    What would happen if you tried to accelarate away on perfectly slippery ice?

    What do you use to slow a car down?
     
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