Let I1 and I2 be the moments of inertia...

Let `I_1 and I_2` be the moments of inertia of two bodies of identical geometrical shapek, the first made of aluminium and the second of iron.

`i_(1)ltI_(2)`

`I_(1)=I_(2)`

`I_(1)gtI_(2)`

Relation between `I_(1)` and `I_(2)` depends on the actual shapes ofthe bodies.

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