An ant is moving on the surface of a ball. Does its velocity change or not ? Explain.

An ant is moving on the surface of a ball. Does it’s velocity change or not? Explain.

An ant is moving on the surface of a ball. Does it’s velocity change or not? Explain.

How does the velocity of a ball thrown upwards change on its way?

How does the surface area of a cube is changed,if its edge is halved?

If the length of a wire is doubled, does its Young's modulus change ? Explain.

How does a liquid change into its gaseous state? Explain.

A ball is moved on a horizontal table with some velocity. The ball stops after moving some distance. Which external force is responsible for the change in the momentum of the ball?