What is simple and complex machine ?
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Simple machines include the inclined plane, wedge, screw, lever, wheel and axle, gear, and pulley. Complex machines combine simple machines. ... All machines help us do work, either by using less force over more distance or more force over less distance.
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Simple machines include the inclined plane, wedge,screw, lever,wheel and axle, gear and pully. Complex machine combines simple machines..
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