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Homework Help: Quick question about the direction of angular momentum.

  1. Oct 19, 2011 #1
    When talking about the net angular momentum about where must one calculate the component due to Ω ?
    Just wanted to confirm my thoughts:

    Will the expression be [itex]L_{net}=MR^2\omega[/itex] [itex]\hat{r} + \frac{1}{2}MR^2\Omega[/itex] [itex]\hat{k}[/itex]
    Where [itex] MR^2[/itex] represents the moment of inertia about the spin axis in the radial direction and [itex]\frac{1}{2}MR^2[/itex] represents the moment of inertia about the diameter in the vertical direction.

  2. jcsd
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