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.
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?