Physics · SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

Why is a heavy flywheel with a large moment of inertia connected to the drive shaft of automobile and steam engines?

1. A
   To minimize the fuel consumption by eliminating rotational kinetic energy
2. B
   To decrease the rotational inertia so the engine can accelerate instantly
3. C
   To provide extra friction to stop the vehicle rapidly when brakes are applied
4. D
   To resist sudden fluctuations in vehicle speed and ensure a smooth ride