Question

A body is moving with a uniform speed. Is it necessary that its acceleration is zero?

Answer 1

Answer:

Yes it's neccesary

Explanation:

look if the body will move with uniform speed there is no external force acting on it which means it would be zero and if force is 0 then accelration will also be zero.

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Answer 2

Answer:

No.

Explanation:

No, It is not necessary that the acceleration is zero. The acceleration of a body moving with same speed is said to be zero only when the body returns to the same place from where it started, so that the displacement is zero and the velocity is 0. If the body moving with does not return to its starting position then the displacement is not equal to zero thus the velocity too is not zero.