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Which of the following statements is false for a particle moving in a circle with a constant angular speed ?

Option: 1

The velocity vector is tangent to the circle.


Option: 2

The acceleration vector is tangent to the circle


Option: 3

The acceleration vector points to the centre of the circle


Option: 4

The velocity and acceleration vectors are perpendicular to each other .


Answers (1)

best_answer

A particle moving in a circle with a constant angular speed has centripetal acceleration only and zero tangential acceleration.

As v=rw

\omega = constant\Rightarrow v=constant\Rightarrow a_t=0

Also centripetal acceleration, a_c=\omega^2r towards centre.

So, option b is wrong

Posted by

HARSH KANKARIA

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