SIMPLE MACHINES

LEVER

• A lever is a simple machine that rotates or pivots around a fixed point.
• A broom is an example of a lever.
• A see-saw and a shovel are also two examples of a lever.

PULLEY

• A wheel with a rope or cable in the grooved edge of the wheel.
• A flag pole would be one type of pulley.
• A crane and the curtains at movie theater would also be examples of pulleys.

INCLINED PLANE

• An inclined plane is a flat and angled surface or ramp.
• A slide is an example of an inclined plane.
• A ramp and a hill are also two other examples of inclined planes.

WEDGE

• A wedge is a tool used to cut, slice, or pierce an object.
• A sword is an example of a wedge.
• Two other examples of a wedge are knives and forks.

SCREW

• The screw is an inclined plane wrapped around a cone or cylinder.
• One example of a screw would be a jar-lid.
• Two other examples are the tuners on a guitar and nuts and bolts.

WHEEL AND AXLE

• A wheel and axle is a wheel attached to a rod reducing the force to move an object.
• A door knob is one example of a wheel and axle.
• Two other examples are dishwasher dials and Ferris wheels.