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Six simple machines

April 1, 2000
Machines consist of elements, such as gears and bearings, that work together to transmit force and produce work

Machines consist of elements, such as gears and bearings, that work together to transmit force and produce work. No matter how complex, all machines are based on one or more simple machines that change the direction or magnitude of an applied force. Simple machines include the lever, wheel and axle, pulley, inclined plane, wedge, and screw.

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