simple+machine

 What I know A machine is a thing that people have made. A simple machine is a thing that is easy to use. Because they don` t have to be started up by electricity or batteries. WHEELS : they work on a car to make it go fast and slow. PULLEY: works on things that need lifting and currying. SCREW: Joins things together. LEVER: is a kind of a sea saw and it can even use to weigh things. WEGDE:to make things go apart. INCLINED PLANE:it can be used for a car to go up and down it works just like a ramp.

WHEELS WHY ARE THEY USEFUL? Well imagine using cubes on cars so thats why cars ,trucks,buses and need wheels.

PULLEY WHY ARE THEY USEFUL? because they can be used anywhere even in a tree house and there used for lifting things

SCREW WHY ARE THEY USEFUL ? screws are useful because they can be used for building or making thins.

LEVER WHY ARE THEY USEFUL? if we did not have a lever how would we weigh things and the things we buy.

WEGDE WHY ARE THE USEFUL? it`s used to cut down trees logs and lost of other things.

INCLINED PLANE WHY ARE THEY USEFUL? an inclined plane works like a ramp and if we did not have them our cars would not go up on trucks.