Q. A stone of mass $m$ tied to string of length $l$ is rotating along a circular path with constant speed $v$. The torque on the stone is
A) $mlv$
B) $\frac{mv}{l}$
C) $\frac{{mv}^{2}}{l}$
D) Zero
Explanation
(d) Torque acting on a body in circular motion is zero.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.