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Answered

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write a short note on Lever and Pulley each​

Sagot :

The lever is a movable bar that pivots on a fulcrum attached to a fixed point. ... It shows that if the distance a from the fulcrum to where the input force is applied (point A) is greater than the distance b from fulcrum to where the output force is applied (point B), then the lever amplifies the input force.

pulley is a wheel on an axle or shaft that is designed to support movement and change of direction of a taut cable or belt, or transfer of power between the shaft and cable or belt.

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