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.



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