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How torque, t = r x F ?

  1. Aug 2, 2010 #1
    how torque, t = r x F ?
    Or, what is the physical meaning of cross product of two vectors?
  2. jcsd
  3. Aug 2, 2010 #2
    Re: torque

    In itself, the cross product is more of a useful mathematical tool, than anything physical.
  4. Aug 4, 2010 #3
    Re: torque

    yeah, but why torque is defined as rXF ?
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