Question:

In a steam engine, the flywheel is used to resist

Show Hint

Flywheels act as a "reservoir" of energy, keeping the engine running smoothly.
Updated On: Apr 27, 2026
  • the slight increase or decrease of the speed of the vehicle
  • the sudden increase or decrease of the speed of the vehicle
  • the sudden stoppage of the vehicle
  • only the sudden increase of the speed of the vehicle
  • only the slight decrease of the speed of the vehicle
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The Correct Option is B

Solution and Explanation

Step 1: Concept
A flywheel is a mechanical device with a significant moment of inertia used as a storage device for rotational energy.

Step 2: Meaning

Due to its rotational inertia, it resists changes in rotational speed.

Step 3: Analysis

In engines where power is delivered in pulses, the flywheel smooths out the motion by resisting sudden fluctuations in speed.

Step 4: Conclusion

Hence, it resists the sudden increase or decrease of speed.
Final Answer: (B)
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