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What is the derivative of the moment of inertia?

  1. Nov 8, 2012 #1
    This just struck me and I was curious.
     
  2. jcsd
  3. Nov 8, 2012 #2
    Derivative with respect to what?

    I is a property of the mass distribution of a rigid body. It doesn't change with time unless the body deforms or mass changes. However, because it is a property of the distribution of mass, its representation is very sensitive to coordinate system and orientation.
     
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