what is a Lever?what is its use?
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A lever is a simple machine consisting of a beam or rigid rod pivoted at a fixed hinge, or fulcrum.
Uses - Levers can be used to exert a large force over a small distance at one end by exerting only a small force over a greater distance at the other.
Uses - Levers can be used to exert a large force over a small distance at one end by exerting only a small force over a greater distance at the other.
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Uses of lever : It is used to move or lift objects.It is used to do work with the least amount of effort.
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