alleryCar engines carry a heavy disc that smooths out jerky speed changes. It is a:
APulley wheel
BLever arm
CGear wheel
DFlywheel
Answer & Solution
Correct answer: D. Flywheel
1. The disc has a large moment of inertia.
2. It resists sudden changes of speed.
3. It is the flywheel.
_Source: syllabus Physics Part I, Chapter 7, Systems of Particles and Rotational Motion._
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