Q. What does not change in the field of central force
A) Potential energy
B) Kinetic energy
C) Linear momentum
D) Angular momentum
Explanation
(d) For central force, torque is zero
$\because\tau = \frac{dL}{dt} = 0 \Rightarrow L =$ constant
$i.e.$ Angular momentum is constant
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.