# Relation between force,work and energy in easy way for class 4

Force work and Energy

as shown in the figure a boy is pulling or pushing the cart that means boy is applying force on the cart,

When the cart moves from one place to other that mean work is performed

and when the boy is pushing or pulling the cart his energy is also lasting to performed the work

in the formula we can write

Work done =force x displacement

W=F x s

unit of work done is Joule

that work done can be written in the form of kinetic energy and potential energy

W=PE= mass x height x gravity=mgh Jpole

W=KE=1/2 (mv

^{2})

where m is the mass and v is the velocity

Regards

**
**