Simple Machines

Simple Machines

There are many kinds of machines. Most machines make doing work easier. They do this by reducing how much push or pull is needed to do work. Some machines are simple. They have very few parts. They are called simple machines.

A lever is one kind of simple machine. It makes work much easier. A bottle opener is a lever. It makes it easier to open a bottle.

A hammer is a lever too. It makes it easier to pound nails into wood.

An inclined plane is another kind of simple machine. It makes work much easier. The ramp is an inclined plane. It makes it easier to move things into a truck.

The inclined plane uses less force than lifting things straight up and into the truck. But with the inclined plane, you have to move things a greater distance.