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Simple Machines

Science 8 Simple Machines

QuestionAnswerExample
inclined plane a tilted flat surface where objects are pushed up on rather than lifted
lever a simple machine that has an effort arm, a resistance arm, and a fulcrum seesaw
load the amount or weight of something that is carried
machine any man made device with a system of parts that work together to perform a task
axle the bar on which a wheel turns
efficiency work output divided by work input if 4 Newton Meters are used to do 3 newton meters of useful work, the efficiency is 75%
effort force the force applied to a machine
fulcrum The point at which a lever pivots Door is the lever, hinges are the fulcrum
Created by: jmaichin
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