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unit f chapter 2

The result when a force causes an object to move. work
a device that changes the amount of a force applied to abn object, the direction of a force or both. machine
a simple machine having an arm that mover a fix point. lever
the fixed point on a lever fulcrum
the part of a lever on which person or another machine applies a force effort arm
the part of a lever that applies a force on a object. resistence arm
a wheel that has a groove along its edge pulley
a simple machine that has acentral pivot around which a wheel moves. wheeel and axle
a flat, sloping surface inclined plane
an inclined plaane wrapped around a cylinder or a cone screw
a simple machine composed one or two inclined plane wedge
a device that is made up of two or more simple machines compound machine
the ratio of the work that comes out of a machine to work put into that machine efficiency
Created by: buttercup1