I=32Mr2\mathrm{I}=\frac{3}{2} \mathrm{M} \mathrm{r}^{2}I=23Mr2
I=Mr2\mathrm{I}=\mathrm{Mr}^{2}I=Mr2
I=Mr2\mathrm{I}=\frac{\mathrm{Mr}}{2}I=2Mr
I=Mr24\mathrm{I}=\frac{\mathrm{Mr}^{2}}{4}I=4Mr2