My study of simple machines

A gear is a device that transfers motion from one part of a machine to another

Gears

Wheel and axel

The wheel and axel are wheels on a car.

Levers

To see a lever look at the pic below

Inclined plane

An inclined plane is like a ramp

A pulley is a rope that is attached to the load and a wheel they all work together to lift the load.

pulley

Wedge

A wedge is a sharp object. You would use a wedge to cut wood and other things.

Screw

An inclined plane attached to a medal rod.

A tool that magnifies your effort.

Simple machine

work

The effort needed to move a certain distance

force

The work needed to lift an object with a pulley.

Mechanical advantage

When the effort and the resistance force are the same.