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Q.

A car moves on a circular road describing equal angles about the centre in equal intervals of time. Which of the following statements about the velocity of car are not true?

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a

Velocity is constant.

b

Magnitude of velocity is constant but the direction changes.

c

Both magnitude and direction of velocity change.

d

Velocity is directed towards the center of circle.

answer is A.

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Detailed Solution

Angular speed is constant. Hence, linear speed is also constant, i.e., magnitude of velocity is constant, but direction is changing.
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A car moves on a circular road describing equal angles about the centre in equal intervals of time. Which of the following statements about the velocity of car are not true?