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simple machines

The seven simple machines

QuestionAnswer
pulley machine that uses grooved wheels and a rope to raise
screw an inclined plane wrapped around a pole which holds materials together
inclined plane a slanting surface connecting a lower level to a higher level
wheel and axle a wheel witha rod called an axle, through its center, it lifts or moves loads
Wedge an object with at least one slanting side ending in a sharp edge which cuts material apart
lever a bar on a support called a fulcrum which lifts or moves loads
Gears toothed or pegged wheels meshed together to transmit motion and force
Created by: hgreen
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