ClipArt ETC

This science ClipArt gallery offers 6 illustrations of multiple simple machines used simultaneously to complete a task, as well as lists of all simple machines.

This medieval elevator shows the use of two simple machines: wheel and axle on the right, and a pulley on the left. "An elevator of the Middle Ages. History tells us this form of elevator was used in monasteries for hoisting passengers and supplies." -Hill, 1921

Early Elevator

This medieval elevator shows the use of two simple machines: wheel and axle on the right, and a pulley…

Example of the parallelogram of force, or the application of two forces on an object.

Elementary Mechanics

Example of the parallelogram of force, or the application of two forces on an object.

Friction is the tendency of a body to resist movement when it is being moved on a surface. The coefficient of friction is the ratio between the resistance of the motion and the perpendicular pressure between the surfaces as shown. P/W

Elementary Mechanics

Friction is the tendency of a body to resist movement when it is being moved on a surface. The coefficient…

Illustrations showing the six mechanical powers: lever, wheel and axle, pulley, inclined plane, wedge, and screw.

Simple Machines

Illustrations showing the six mechanical powers: lever, wheel and axle, pulley, inclined plane, wedge,…

"A combination of all of the simple machines." -Comstock 1850

Combination of All of the Simple Machines

"A combination of all of the simple machines." -Comstock 1850

"Nautical, one of a pair of hooks working on the same axis and fitting closely together: much used about a ship's rigging. Also clip-hook, clove-hook." —Whitney, 1889

Sister Hooks - Closed and Open

"Nautical, one of a pair of hooks working on the same axis and fitting closely together: much used about…