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Question in rotational motion

  1. Jan 1, 2013 #1
    Suppose a mass attached to a rope which winds around a rim or a disk. If the mass attached to the string falls x meters, should the string also move thorugh x meters around the rim or the disk which we can relate by s = r theta???
  2. jcsd
  3. Jan 1, 2013 #2


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    Science Advisor

    Yes, it pretty much has to doesn't it? That "x" distance has to come from somewhere!
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