Q. The angular momentum of a system of particles is not conserved
A) When a net external force acts upon the system
B) When a net external torque is acting upon the system
C) When a net external impulse is acting upon the system
D) None of these
Explanation
(b) Since net external torque is equal to the rate of change of angular momentum
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.