Question

Which of the following quantity remains constant for a particle executing uniform circular motion?
a) Linear momentum
b) Angular velocity
c) Acceleration
d) Centripetal force​

Answer 1

Answer:

Which of the following quantity remains constant for a particle executing uniform circular motion?

d) Centripetal force

Answer 2

Answer:

Explanation:

Given that ,

Which of the following quantity remains constant for a particle executing uniform circular motion?

a) Linear momentum

b) Angular velocity

c) Acceleration

d) Centripetal force​

So,

In uniform circular motion-

1) Speed is constant but velocity is changing due to change in direction in circular motion.

2) There is no tangential acceleration.

3) There is only centripetal acceleration = v²/r = ω²r

4) Centripetal force is constant due to constant centripetal acceleration.

                 F = mv²/r

                    = mω²r

Therefore, from the above result it is clear that option (D) Centripetal force is correct option .

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