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Simple Machines

Review words

TermDefinition
effort force force applied to a machine
resistance force force that opposes the effort force
mechanical advantage the level of the advantage given by using the machine
efficiency the comparison of the work put in(input), to the work put out(output)
work input the work done on the machine by an outside force
work output the work that a machine does
lever bar that is free to turn about a fixed point
fulcrum fixed point at which a lever is supported
pulley a rope that is wrapped around a wheel
inclined plane slanted surface or ramp
screw an inclined plane wrapped around a cylinder
wedge two inclined planes back to back
compound machine machine that compares two or more simple machines
Created by: Gsampsonsms