Question

A mass is moving 5m/s with speed of along the x - direction on a smooth surface when a force of 5N acts on it along they axis the work done by against the the force is ???​

Answer 1

Answer:

Hope it helps you mate.

Explanation:

The work done is zero, because the force acts perpendicular to direction of the displacement of the object.

Answer 2

Answer :

force

is

is zero because work is at 90°.