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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the answer is R is a part of the most important is that you can you send it back in the morning and my family are well and that you can you friendship is magic in the future Is bright and early or late afternoon on Friday
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A group of cells that have the same function is called a tissue
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The answer is B.
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