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Circles and Acceleration

  1. Jun 10, 2005 #1
    If I take a perfectly rigid disk 10 miles in diameter and set it spinning at a constant speed. Is the constant acceleration an object experiences riding 5 feet from the center the same as it would be if it were 5 miles from the center? I know many other things would be different but I mean the acceleration alone.

  2. jcsd
  3. Jun 10, 2005 #2
    No, this follows directly from the centripetal acceleration equation (as well as intuition).
  4. Jun 10, 2005 #3

    a = -(2Pi/T)^2 *r (Wish I could learn Latex..)

    The acceleration is directly proportional to the distance from the centre of rotation.
  5. Jun 10, 2005 #4
    Ahhh.... momentary insanity. Isn't it great? :rolleyes:
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