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Homework Help: Circular motioni, work question.

  1. Oct 31, 2011 #1
    Senario: A string is tied to a ball and swung in a circle at constant velocity.

    My question was... which forces are doing work?
  2. jcsd
  3. Oct 31, 2011 #2


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    Staff: Mentor

    with 500+ posts, you should know that you need to give us your thoughts before we can be of much help.

    You should also define the problem better... are you talking about in a gravitational field like on the Earth? Or in space? What is "swinging" the ball?
  4. Nov 2, 2011 #3
    this was a problem I just made up, so ill say a person is swinging a ball.
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