Question

Can an object be accelerated if it is moving with constant speed? If yes, explain giving examples. ​

Answer 1

Answer:

Yes, of course a body can accelerate if it has uniform speed. ... Its speed is uniform but its velocity changes as the direction at each point of the circular path changes. Thus with the change in velocity, there is acceleration as acceleration is the change in velocity with time, its not change in speed with time....

Answer 2

Answer :

Yes, an object can be accelerated if it is moving with constant speed.

An example of this type of acceleration is uniform circular motion where the body is accelerated due to changing directions.

Explanation :

• A body travelling in a circle at a constant speed experiences acceleration because the direction of the motion causes the velocity to fluctuate constantly.
• When a body is in uniform circular motion, it's direction is constantly changing, but it's magnitude remains constant. This acceleration is known as centripetal acceleration and is given by the formula :
• Centripetal Acceleration = v^2 / r
• where v is the velocity of the body moving in circular motion and r is the radius of the circle.
• The direction of centripetal acceleration is always inwards.
• Acceleration is the rate of change in velocity. It is a vector quantity having SI unit - m / s^2 .
• It has both direction and magnitude.
• So, when the body is changing it's direction in uniform circular motion, it is being accelerated.

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