Gravitation Question 206
Question:What does not change in the field of central force[MP PMT 2004]
Options:
A) Potential energy
B) Kinetic energy
C) Linear momentum
D) Angular momentum
Show Answer
Answer:
Correct Answer: D
Solution:
For central force, torque is zero.
$ [\because \ \tau =\frac{dL}{dt}=0] $
Þ L = constant i.e. Angular momentum is constant.
