simple machines

12 cards·by cappiee

simple machine

a tool that makes work easier

force

push

wheel and axle

rod attached to a center of a wheel

gravity

a pulling force between one object and another

friction

the resistance between two surfaces

inclined plane

a simple machine with a slanted surface.

ramp

is an inclined plane

screw

inclined plane wrapped around a post

lever

simple machine made up of a stiff arm or bar used to move or lift something

fulcrum

resting point on which the lever turns

pulley

simple machine made of a rope or chain wrapped around a wheel

wedge

two inclined planes joined back to back. Used to split an object.