A wheel of moment of inertia 5 × 10–3 kgm2 is making 20 rev/s. The torque required to stop it in 10 s is- Options: a- 2 × 10–2 Nm b- 2 × 102 Nm c- 4 × 10–2 Nm d- 4 × 102 Nm

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A flywheel has moment of inertia 2 kgm². What constant torque is required to increase its speed from 4 rps to 12 rps in 8 sec?

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