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Homework Help: Will the radial acceleration be constant?

  1. Feb 17, 2006 #1
    When a torque is applied to a body undergoing uniform circular motion, will the radial acceleration be constant?
  2. jcsd
  3. Feb 17, 2006 #2
    Torque is defined as the time derivative of angular momentum. What do you think?
  4. Feb 18, 2006 #3
    I think that when a torque is applied, the angular momentum increases as a result of which there a change in angular velocity and hence the radial acceleration changes. Is it right?
  5. Feb 18, 2006 #4
    Sounds good so far. There are two ways that the angular momentum could change though, it could change its magnitude or it could rotate. You've argued what happens in the first case, but what about the second?
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