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Homework Help: Moment of inertia

  1. Jan 12, 2010 #1
    Is moment of inertia defined for fluids?
  2. jcsd
  3. Jan 12, 2010 #2
    yes. all things with mass have inertia.
  4. Jan 13, 2010 #3
    Well,if all things have moment of inertia then a swinging sphere with water filled must have moment inertia too? Then can we analyse it as an approximate case of angular simple harmonic motion?
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