1)What Is Work ? 2)Examples Of Work 3)Equation Of Work

1. SK SABBIR ALI
NORTH WESTERN UNIVERSITY
BANGLADESH
Subject:work power and energy
WELCOME

2. • Contents
Work
Part One
1)What Is Work ?
2)Examples Of Work
3)Equation Of Work

3. What is work ?
Defination
work is said to be done ,when force
acting on a body ,displaces the
object at the point of aplication in
direct force
S.I Unit
Joules(j)

4. Example of work
When a ball is held above the ground and then
dropped ,the work done on the ball as its fall
is equal to weight of the ball (A Force
)multiplied by the distance to the ground(A
Displacement)

5. Example of work

6. Example of work

7. Example of work

8. Equation of work