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Chapter 5 Vocab

TermDefinition
Compound Machine Machine that is a combination of two or more simple machines
Inclined Plane Simple machine that consists of a sloping surface, such as a ramp, that reduces the amount of force needed to lift something by increasing the distance over whch the force is applied
Input Force The force applied to the machine
Lever Simple machine consisting of a bar free to pivot about a fixed point called the fulcrum
Machine Device that makes doing work easier by increasing the force applied to an object, changing the direction of an applied force, or increasing the distance over which a force can be applied
Output Force The force applied by a machine
Pulley Simple machine that consists of a grooved wheel with a rope, chain, or cable running along the groove; can be either fixed or movable
Screw Simple machine that consists of an inclined plane wrapped in a spiral around a cylindrical post
Simple Machine Machine that does work with only one movement-lever, pulley, wheel and axle, inclined plane, screw, and wedge
Wedge Simple machine that is an inclined plane with one or two sloping sides
Wheel and Axle Simple machine that consists of a shaft or axle attached to the center of a larger wheel, so that the shaft and the wheel rotate together
Work Transfer of energy that occurs when a force makes an object move; measured in joules
Created by: Richiano