Q. If the torque of the rotational motion be zero, then the constant quantity will be
A) Angular momentum
B) Linear momentum
C) Angular acceleration
D) Centripetal acceleration
Explanation
(a) As torque $\tau = \frac{dL}{dt}$
If $\tau = 0$, then $L =$constant.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.