Home Physics Motion in a Plane Karnataka - CET Previous Year Question A particle is in uniform circular motion. Re…
Physics Motion in a Plane Karnataka - CET Previous Year Question MCQ (Single Correct)

A particle is in uniform circular motion. Related to one complete revolution of the particle, which among the statements is incorrect?

A
Average acceleration of the particle is zero.
B
Displacement of the particle is zero.
C
Average speed of the particle is zero.
D
Average velocity of the particle is zero.

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The correct answer is:
C

: In one complete revolution of uniform circular motion, displacement is zero, therefore average velocity is zero and hence average acceleration is zero. Distance covered will be equal to perimeter, thus average speed will be non zero.

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