Question

Give reason for object moving with constant speed but under acceleration

Answer 1

Yes a body can definitely have acceleration if it is moving with constant speed.

As speed is a scalar quantity, direction of movement doesn’t affect it. But acceleration is a vector quantity as it is the rate of change of velocity which is itself a vector quantity.

So, take uniform circular motion as example,



It’s speed is constant but it has varying velocity as it changes it’s direction so there is always a acceleration acting towards centre which is provided by centripetal force.

Answer 2

Answer:

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