Question

When the velocity of body changes and speed remains constant

Answer 1

Answer:

For a body moving in uniform circular motion the speed attained by the object will remain constant not the velocity as velocity depends on the direction of motion, and in circular motion the direction of the object changes at every point. As speed remains constant the acceleration will remain constant.

Explanation:

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Answer 2

Since in an uniform circular motion, although the speed of body remains constant but the direction of velocity of the body changes continuously and hence the velocity of the body changes at every instant. Acceleration of the body is defined as the rate of change in velocity of the body.