Assertion (A) Linear momentum of a body changes even when it is moving uniformly in a circle. Reason (R) In uniform circular motion velocity remains constant.

Question

Assertion (A) Linear momentum of a body changes even when it is moving uniformly in a circle. Reason (R) In uniform circular motion velocity remains constant. (A) Both assertion and reason are true and reason is the correct explanation of assertion (B) Both assertion and reason are true but reason is not the correct explanation of assertion (C) Assertion is true but reason is false (D) Both assertion and reason are false

Tardigrade Admin · Accepted Answer

In uniform circular motion, the direction of motion changes, continously therefore velocity changes. As P=m v therefore momentum of a body also changes in uniform circular motion.

Q. Assertion (A) Linear momentum of a body changes even when it is moving uniformly in a circle.
Reason (R) In uniform circular motion velocity remains constant.

Both assertion and reason are true and reason is the correct explanation of assertion

Both assertion and reason are true but reason is not the correct explanation of assertion

Assertion is true but reason is false

Both assertion and reason are false

In uniform circular motion, the direction of motion changes, continously therefore velocity changes. As $P = m v$ therefore momentum of a body also changes in uniform circular motion.

Q. Assertion (A) Linear momentum of a body changes even when it is moving uniformly in a circle. Reason (R) In uniform circular motion velocity remains constant.