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Can someone please explain what the parallel axis theorem is?

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- Thread starter velo city
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- #1

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Can someone please explain what the parallel axis theorem is?

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UltrafastPED

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See http://hyperphysics.phy-astr.gsu.edu/hbase/parax.html

and http://en.wikipedia.org/wiki/Parallel_axis_theorem

- #3

sophiecentaur

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There is an analogous situation with standard deviation of a probability distribution. It is a 'second moment', in the same way. The standard deviation from the mean is less than the rms deviation from some other value. Also, the power of an AC waveform is greater when it has a DC offset component. Same sums for all three, basically.

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