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Homework Help: Apparent Weight in a Circle

  1. Oct 9, 2007 #1
    Quick question...can normal force be negative when calculating apparent weight?
    n (top) = (mv^2/r) - w
     
  2. jcsd
  3. Oct 9, 2007 #2

    Astronuc

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    Staff Emeritus
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    At the top of a vertical loop, the weight acts downward, and acts opposite the centrifugal force.
     
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