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Newton's Third Law

  1. Sep 3, 2014 #1
    Why forces acts on two different bodies with same magnitude and opposite in direction doesn't cancel each other?
     
  2. jcsd
  3. Sep 3, 2014 #2

    Doc Al

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    Staff: Mentor

    Because each force acts on a different body. If two equal and opposite forces act on the same body, then they do cancel.
     
  4. Sep 3, 2014 #3

    adjacent

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    Gold Member

    This question is being asked very frequently. Is there any FAQ for this?
     
  5. Sep 4, 2014 #4

    Shyan

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    Let me give you an example. You and your friend are standing at opposite sides of a billiard table facing each other. Then you hit two balls simultaneously with equal and opposite forces. Do you expect that the two balls don't move?
     
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