Question

A ball is roll on a frictionless surface and no other force act on it will its speed decrease increase or remain unchanged​

Answer 1

Answer:

remain same

Explanation:

as no other external force is acting on it and there is no friction there will be no change in velocity.

Answer 2

Answer:

The speed will remain unchanged.

Explanation:

If there is no atmospheric friction, then due to the inertia of the ball it's speed will remain unchanged on the frictionless surface because no external force is present to slow it's speed.