1. Oct 31, 2011 #1

   Miike012

   

   Senario: A string is tied to a ball and swung in a circle at constant velocity.
   
   My question was... which forces are doing work?

    

   Miike012, Oct 31, 2011
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3. Oct 31, 2011 #2

   berkeman

   

   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?

    

   berkeman, Oct 31, 2011
4. Nov 2, 2011 #3

   Miike012

   

   this was a problem I just made up, so ill say a person is swinging a ball.

    

   Miike012, Nov 2, 2011

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