The simple facts of simple machines
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Describes the simple machines--lever, pulley, wedge, screw, inclined plane, and wheel and axle--and explains how they are utilized to make work easier.
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Describes the simple machines--lever, pulley, wedge, screw, inclined plane, and wheel and axle--and explains how they are utilized to make work easier.
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"Describes the simple machines--lever, pulley, wedge, screw, inclined plane, and wheel and axle--and explains how they are utilized to make work easier."
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