Simple machine

An inclined plane or two inclined planes that meet each other to form a sharp edge.

• lever

• wedge

• pulley

• wheel and axle

Is actually a spiral inclined plane.

• wedge

• lever

• inclined plane

• screw

A grooved wheel that turns around an axle which is held in place by a mounting bracket.

• wheel and axle

• pulley

• inclined plane

• wedge

Where work is done on the lever.

• fulcrum

• load

• effort

Moves along the rope or wire.

• fixed pulley

• movable pulley

• compound pulley

Has the axle fixed on a surface and therefore does not move.

• fixed pulley

• movable pulley

• compound pulley

Is a machine that has a small disk or shaft, called an axle, that is attached to a wheel.

• wheel and axle

• lever

• screw

• inclined plane

Is made up of a combination of two or more fixed and movable pulleys.

• fixed pulley

• movable pulley

• compound pulley

Is a straight or curved rigid bar that is free to turn about a fixed point.

• wedge

• wheel and axle

• lever

• pulley

Load which is being moved.

• fulcrum

• resistance

• effort