What didn't Manu and Myna have a
choice about?
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According to perpendicular axis theorem, IZ=IX+IY
We know that IX=IY due to the geometrical symmetry of
the disc, where IX and IY are M.I. of the disc about an axis passing through its diameter.
⇒ IZ=IX+IY ⇒IX=IY=2IZ
Where, IZ=ML of the disc about Z−axis passing through
its centre perpendicular to its plane =mr2/2
∴M.I. about diameter =IX=IY = 41MR2
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Using perpendicular axis therom obtain the expression for the moment of intertia of a dise about its diameter?!
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what didn't manu and myna have a choice about
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