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Gyroscope-powerball question

  1. Jun 23, 2009 #1

    Can someone please explain how rotation of the wrist can spin the rotor of the powerball? How energy transform to the rotor?

    Powerball toy -> http://www.powerballs.com/works.php?m=Works [Broken]
    video ->
    Last edited by a moderator: May 4, 2017
  2. jcsd
  3. Jun 23, 2009 #2
    how does the rotor work in it?
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