Posted by Amber on Friday, April 20, 2012 at 12:35pm.
The moment of inertia of each spoke (of the length R) respectively its end is
I(sp) = I(o) + mx^2 = mR^2/12 + m•(R/2)^2 = mR^2/3 = .
The wheel rim is a hoop with I(rim) = M•R^2.
The moment of inertia of the wheel is
I = I(rim) + 6•I(spoke) = M•R^2 + 6•mR^2/3
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