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Acceleration question

  1. Feb 8, 2006 #1
    How would one describe the acceleration (linear and angular) if the velocity is constant but direction is constantly changing, i.e., circular motion?
  2. jcsd
  3. Feb 8, 2006 #2


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    If the velocity (circumferential speed) is constant and motion is in a circle, then the acceleration is called centripetal acceleration.
    Since the velocity is constant, then there is no linear (i.e. tangential) acceleration, or angular acceleration.

    Is that what you were asking about?
  4. Feb 8, 2006 #3
    Thanks fermat, so this means that both angular acceleration and the tangential acceleration = 0?
  5. Feb 8, 2006 #4


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    If the peripheral velocity is constant,then that's right, yes.
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