<Dd> I P = (∑ i m i r i 2) (\ displaystyle I_ (P) = \ left (\ sum _ (i) m_ (i) r_ (i) ^ (2) \ right)) </Dd> <P> Another expression replaces the summation with an integral, </P> <Dl> <Dd> I P = ∫∫∫ Q ρ (x, y, z) ∥ r ∥ 2 d V (\ displaystyle I_ (P) = \ iiint \ limits _ (Q) \ rho \ left (x, y, z \ right) \ left \ \ mathbf (r) \ right \ ^ (2) \ mathrm (d) V) </Dd> </Dl> <Dd> I P = ∫∫∫ Q ρ (x, y, z) ∥ r ∥ 2 d V (\ displaystyle I_ (P) = \ iiint \ limits _ (Q) \ rho \ left (x, y, z \ right) \ left \ \ mathbf (r) \ right \ ^ (2) \ mathrm (d) V) </Dd>

What is the dimensional formula of moment of inertia