Question

when do we say the work is not done

Answer 1

❤WHEN THERE IS NO DISPLACEMENT!

NO WORK IS SAID TO BE DONE!

Answer 2

heya...

we say that the work done is 0.

It happens when the body is perpendicular to the surface acts over or when the body is moving in a circular manner.

Hope it helps

$<marquee > prabhudutt$