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Simple machine's

Vocab words for test

QuestionAnswer
Work the transfer of energy that occurs when a force is applied over a distance
Power the rate at which work is done
mechanical advantage The ratio of a machine's output force produced to the input force applied
efficiency A machine is the ratio of the output work to the input work
Simple machine Do work using only one movement
Lever A simple machine made up of a bar that pivots, or rotates, about a fixed point
fulcrum The point about which a lever pivots
Wheel and Axle an axle attached to the center of a wheel and both rotate together
inclined plane A flat, sloped surface
wedge A sloped surface that move
Screw Is an inclined plane wrapped around a cylinder
pulley A simple machine that is a grooved wheel with a rope or a cable wrapped around it
Created by: saicojef
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