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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.
3 types- 1) load in the middle 2) fulcrum in the middle 3) effort in the middle
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You are probably thinking of Polarizing filters. Two linear polarizers, arranged at 90 degrees to each other will do this.
they reduse the friction between the machine parts.
They can be arranged 5! or 120 ways.
Having multiplicity; having great diversity or variety; of various kinds; diversified; made up of many differing parts; manifold., Having parts, as leaves, arranged in many vertical rows.
check mossberg parts lists/ sites. many western fields are mossberg from what ive seen. i own a W.F. M72 which is a mossberg 472, also 30-30 lever.
how many ways can 8 letters be arranged
The lever can be used technologically in various industries.
Five numbers can be arranged in 5! = 120 ways.
They are arranged in nitrogenous mixters: A --- T C --- G
4! = 24, they can be arranged in 24 different ways
They can't be arranged in a million different ways!
raisesiresrises------------------------------------They can be arranged in 5!=120 ways.
The letters of the word SQUARE can be arranged in 6! = 720 orders.
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