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Unit F2 Chapter 2

The result when a force causes an object to move. Work
a simple machine that has a central pivot around which a wheel moves. wheel and axle
a device that changes the amount of force applied to an object, the direction of a force, or both. machine
the part of a lever that applies a force on a object. resistance arm
a wheel that has a groove along its edge. pulley
a simple machine having an arm that moves about a fixed point. lever
the fixed point on a lever fulcrum
the part of a lever on which a person or another machine applies force effort arm
a flat, sloping surface inclined plane
a simple machine composed of one or two inclined planes wedge
an inclined plane wrapped around a cylinder or cone screw
a device that is made up of two or more simple machines compound machine
the ratio of the work put into that machine efficiency
Created by: lauren321