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I Vertical circular motion with a changing radius

  1. Apr 29, 2017 #1
    I am curious to see how the mathematical analysis of a vertical circular motion with a sensible rope, that is to say, a rope that streches easily, looks like. k- constant of the rope.
  2. jcsd
  3. Apr 30, 2017 #2


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    What have you done so far to get an idea? My tip: Use a Lagrangian!
  4. Apr 30, 2017 #3
    stretchable rope is of infinitely many degrees of freedom system even though the rope lies on a straight fixed line.

    In addition to this OP says "vertical motion" this implies gravity. Then what is a circular motion in this context?
    And how is mass distributed along the rope?
    Last edited: Apr 30, 2017
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