A: In uniform circular motion the speed of the object doesn't change. R: Centripetal force is responsible for changing the direction and magnitude of the speed.

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Assertion-ReasonUniform Circular Motion and Its Characteristics

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Assertion (A): For uniform circular motion, the displacement and acceleration are directed towards the centre along the radius. Reason (R): Centripetal acceleration is represented as v2/r

Assertion-ReasonUniform Circular Motion and Its Characteristics

A: In uniform circular motion the speed of the object remains constant. R: In uniform circular motion object accelerates.

Assertion-ReasonUniform Circular Motion and Its Characteristics