Simple Machines

Front

Work

Back

The use of a force to move an object through a distance

Front

Simple machine

Back

A device that makes a task easier by changing the size or direction of a force or the distance over which the force acts.

Front

Lever

Back

A bar that makes it easier to move things

Front

Fulcrum

Back

The balance point on a lever that supports the arm but does not move

Front

Wheel and axle

Back

A wheel with a rod, or axle, in the center

Front

Pulley

Back

A wheel with a rope that lets you change the direction in which you move an object

Front

Inclined plane

Back

A ramp or another sloping surface