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Moment inertia tensor

  1. Nov 18, 2007 #1
    what is the difference between moment of inertia and moment inertia tensor?
     
  2. jcsd
  3. Nov 18, 2007 #2
    Well a tensor roughly speaking is a function that can take a vector as an input. A tensor also can take a "one-form" as input too, but that's a bit more complicated. Moment of inertia tensor is a such a function.

    For an object that is not symmetrical in 3d will have different moments of inertia in x, y and z directions. A moment of inertial tensor is usually represented as a 3d matrix containing all the components of moments of inertia.
     
    Last edited: Nov 18, 2007
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