A full steel cylinder of 2000 mm diameter is turning about a fixed axis (GZ) with the rotational velocity of 1500 rev/min. The volume density of the steel is ho = 7800 kg/m3. Recall: J_GZ = racMR22.

Let's solve Question 7.

QUESTION 7: (10 marks)
A full steel cylinder of $2000 \, \text{mm}$ diameter is turning about a fixed axis (GZ) with the rotational velocity of $1500 \, \text{rev/min}$. The volume density of the steel is $\rho = 7800 \, \text{kg/m}^3$. Recall: $J_{GZ} = \frac{MR^2}{2}$.

First, let's convert the given dimensions to meters:
Diameter $D = 2000 \, \text{mm} = 2.000 \, \text{m}$
Radius