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Angular Momentum

  1. Oct 20, 2012 #1
    Can someone please explain why angular momentum involves a cross product?

    Why is it r x p and not r . P
    Why a cross product and not a dot product?
     
  2. jcsd
  3. Oct 20, 2012 #2
    Hi,
    Angular momentum involves a perpendicular direction, i.e. in general when you take direction into account, it should be a cross product. In dot product no direction.
    Cheers, Rajini
     
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