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प्रश्न
What is a lever?
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उत्तर
A lever is a rigid rod that may be bent or straight and rotates around a point; it is known as a FULCRUM.
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संबंधित प्रश्न
Name a machine to obtain gain in speed ?
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- effort arm,
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(ii) the effort applied at the other end.
What is a first-order lever?
