allerySpinning on a swivel chair, you stretch your arms out. Your spin:
AStops at once
BReverses way
CSlows down
DSpeeds up
Answer & Solution
Correct answer: C. Slows down
1. No external torque acts on you.
2. Angular momentum stays fixed.
3. Bigger I means smaller angular speed, so you slow down.
_Source: syllabus Physics Part I, Chapter 7, Systems of Particles and Rotational Motion._
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