Question

define work what is its SI unit​

Answer 1

Answer:

international system of unit

Answer 2

Answer :

Work :-

The action performed when the force displaces of body in its own direction is called work. The S.I. unit of work is Joule ( J ).

Explanation :

Some examples where work is done,

1. Hitting ball with a bat.
2. Picking a book from the table and keeping it in the shelf.

Some examples where work done is zero,

1. A boy is pushing a tree. ...( in this example there is no applied force or displacement hence, no work is done).

More Information

The amount of work done depends on two factors :-

• The magnitude of the force applied.
• The distance moved in the direction of force.

One joule of work is said to be done when one newton force acts on a body and moves it by one in the direction of force.