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Simple Machines

Dowd's Simple Machine Vocabulary

VocabularyDefinitions
work done when a force moves an object; force times distance
input force force exerted on a machine; the force you put into a machine
output force force exerted by a machine; the force that comes out of the machine
simple machine one of six machines that does work with only one movement
compound machine machine made of two or more simple machines
inclined plane flat, sloped surface; a ramp
wedge an inclined plane that moves; can have one or two sloping sides
screw an inclined plane wrapped around a cylinder
lever a rigid rod or plank that rotates around a fixed point called the fulcrum
wheel and axle two circular objects that are attached and rotate together
pulley grooved wheel with a rope or chain wrapped around the groove
Created by: dowdh
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