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Question
In a uniform circular motion, which of the following is true?
Options:
A .  Velocity is constant and speed is changing.
B .  Velocity and speed both remain constant.
C .  Speed remains constant and velocity changes continuously.
D .  Neither velocity nor speed remains constant.
Answer: Option C
:
C
In a uniform circular motion, the speedremains constant. However, the direction of the body keeps changing. This is due toan acceleration that is perpendicular to the direction of velocity at every point.Hence,the velocity does not remain constant.

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