Lever

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Diagram of the use of a first-class lever (blue) on a fulcrum (brown)
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Diagram of the use of a first-class lever (blue) on a fulcrum (brown)
Diagram of the use of a second-class lever (blue) on a fulcrum (brown)
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Diagram of the use of a second-class lever (blue) on a fulcrum (brown)
Diagram of the use of a third-class lever (blue) on a fulcrum (brown)
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Diagram of the use of a third-class lever (blue) on a fulcrum (brown)

A lever is scientific term for something generally used in physics. A Lever is something that makes our life eaiser by moving things that us humans could never move or lift.

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