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This Concept Map, created with IHMC CmapTools, has information related to: Work & Machines Group 4, Fulcrum is part of a Lever, Screw is a Machine, Pulley is a Machine, Resistance Force divided by Effort Force, Joule is the units for Work, Compound Machines A compound machine is a machine made up of more than one simple machine. Machine, Inclined Plane is a Machine, Watt is the units for Power, Horsepower is the English unit of Power, Power Power is the rate at which work is done. Work, Effort Arm is the distance from the location of the effort to the Fulcrum, Wedge is a Machine, Efficiency The amount of work that you put in that comes out as useful work. Work, Wheel and Axle is a Machine, Kilowatt-hour Kilowatt-hour is a unit of energy equal to the work doneby a power of 1000 watts operating for one hour. Work, Mechanical Advantage equals Resistance Force, Mechanical Advantage Mechanical Advantage is the ratio of the force produced by a machineto the force applied to it, used in assessing the performance of a machine. Machine, Machine Machines make work "easier". Work, Resistance Arm is the distance from the location of the resistance to the Fulcrum, Lever is a Machine