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Throwing a spinning card

  1. Apr 3, 2014 #1
    EDIT : solved, thanks :)
    Last edited: Apr 3, 2014
  2. jcsd
  3. Apr 3, 2014 #2


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    Depending on the shape of the object the lift on the front and rear halves isn't the same and this would cause it to pitch up/down if it wasn't spinning. As I understand it the spinning converts this pitch effect into a roll effect.

    I believe this effect is worse for flat plate like objects and less for frissbees like shapes that are designed to balance the lift in the fore/aft plane.... but I'm no expert!

    Perhaps read up on the physics of the frissbee?
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