What should we do to reduce the amount of effort needed to lift something using a lever?

Move the fulcrum closer to the load

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Move the fulcrum closer to the effort

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Move the fulcrum to the middle of the lever

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Move the fulcrum away from the load

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Solution

The correct option is A
Move the fulcrum closer to the load

By moving the fulcrum closer to the load, the length of the effort arm increases which in turn reduces the effort required to lift the load. This type of lever is known as force multiplier.

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Keshav has a lever to lift heavy rocks. What should he do to reduce the force required to lift the rocks?

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