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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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