Two fly wheels are connected by a non-slipping belt as shown in the figure. $I_1=4 \mathrm{~kg} \mathrm{~m}^2, r_1=20 \mathrm{~cm}$, $\mathrm{I}_2=20 \mathrm{~kg} \mathrm{~m}^2$ and $\mathrm{r}_2=30 \mathrm{~cm}$. A torque of 10 Nm is applied on the smaller wheel. Then match the entries of column I with appropriate entries of column II.
| I | Quantities | II | Their numerical Values (in SI units) |
| (a) | Angular acceleration of smaller wheel | (i) | |
| (b) | Torque on the larger wheel | (ii) | |
| (c) | Angular acceleration of larger wheel | (iii) |
A ceiling fan is rotating around a fixed axle as shown. The direction of angular velocity is along .......... .
A body of mass 1 kg is suspended by a weightless string which passes over a frictionless pulley of mass 2 kg as shown in the figure. The mass is released from a height of 1.6 m from the ground. With what velocity does it strike the ground?
The moment of inertia of a rigid body about an axis
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