Q. A disc is rotating with an angular speed of $\omega$. If a child sits on it, which of the following is conserved
A) Kinetic energy
B) Potential energy
C) Linear momentum
D) Angular momentum
Explanation
The correct answer is Option D: Angular momentum.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.