A car moves on a circular road describing equal angles about the centre in equal intervals of time. Which of following statements about the velocity of car are not true?
A
Velocity is constant
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B
Magnitude of velocity is constant but the direction changes
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C
Both magnitude and direction of velocity change
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D
Velocity is directed towards the center of circle
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Solution
The correct options are A Velocity is constant C Velocity is directed towards the center of circle D Both magnitude and direction of velocity change Angular speed is constant. Hence linear speed is constant i.e magnitude of velocity is constant but direction is changing.