Question

Simple explanation of work?

Answer 1

WORK IS WHAT WE DO ALL DAY FOR VARIOUS PUROUSES.tHE SI UNIT OF WORK IS SAME AS THAT OF ENERGY JOULES.THIS IS BECAUSE WE NEED ENERGY TO WORK.

Answer 2

work is done when a force is exerted on a substance of some mass , during some duration and over some distance that the object moves.

unit of work is Joules - same as that for energy.

For any body to performs some work, some energy is needed.  Energy like potential energy is converted into kinetic energy though the work done by some force.