Respuesta :

Let's explain what a simple machine is.

Definition:

A simple machine can be defined as a mechanical device used for applying force and doing work.

It changes the direction and magnitude of force.

In a simple machine there is no combination of parts and they have very few movable parts.

Types of Simple machines:

• Screw

,

• Pulley

,

• Wedge

,

• Wheel and axel

,

• Lever

,

• Inclined plane

Example of Screw is a screw.

Example of a pulley is an elevator

Example of a wedge is