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Torque and vector position...

  1. Jan 6, 2016 #1
    The torque is the cross product with a position vector (that is the lever lenght) and a force

    But i the is torque also if there isn't a lever? I mean an instantaneus torque that is different in each point we consider it like in the photo

    It is also a torque even if something doesn't rotate?

    In lecture I have seen that the momentum can be like that
     

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  2. jcsd
  3. Jan 6, 2016 #2

    A.T.

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    Yes and yes.
     
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