Simple Machines

Front

A flat sloping surface that connects lower and higher elevations. It makes raising objects easier.

Back

inclined plane

Front

Two inclined planes placed back to back forms this simple machine.

Back

wedge

Front

An inclined plane wrapped around a rod forms this simple machine.

Back

screw

Front

A simple machine that consists of a rigid bar that pivots about a fixed point.

Back

lever

Front

A seesaw is an example of a

Back

lever

Front

An axe is an example of a

Back

wedge

Front

A device that has two or more simple machines working together

Back

compound (complex) machine

Front

Flagpole

Back

pulley

Front

Stairs

Back

inclined plane

Front

Lightbulb: wedge, pulley, incline plane, screw

Back

screw