simple+machines

=lever : Used to lift weights. = = =

=inclined plane: Reduces the force that must be "directly" applied to raise a load. =

=Wheel And Axle: A lever that rotates in a circle around the fulcrum. = = = = Screw: screw is an = = inclined plane wrapped around a pole which holds things together or lifts materials. =

= Wedge: A wedge is = = = = = = an object with at least one slanting side ending in a sharp edge, which cuts material apart. =

= **Pulley:** A machine that uses a grooved wheels and a rope to raise, lower or move a load. =