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Lever, simple machine machine, arrangement of moving and stationary mechanical parts used to perform some useful work or to provide transportation. From a historical perspective, many of the first machines were the result of human efforts to improve war-making capabilities; the term consisting of a bar supported at some stationary point along its length and used to overcome resistance at a second point by application of force at a third point. The stationary point of a lever is known as its fulcrum. The term lever is also applied to a projecting piece that is moved to operate or adjust inner machinery, such as a lever moved to the right or left to switch electric current on or off or to adjust the size of the opening of a shutter in a camera.

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What does fulcrum mean in science?

It is when a lever turns in moving a body.


What does lever pivot and force mean in science?

In science, a lever is a simple machine that consists of a rigid bar that pivots around a fixed point called the pivot or fulcrum. A force applied to one end of the lever can be used to move a load located at the other end, with the position of the pivot determining the mechanical advantage of the lever.


What kind of lever is a shovel in science?

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What does lever mean in French?

The French word lever means to raise in English.The English word lever means levier in French.


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A Class-1 lever is a lever with the force and the load (resistance) on opposite sides of the fulcrum (pivot).


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The lever, when pushed on, lifted the load. Hope this helps!


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