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- Q40164 subject Q7485130.
- Q40164 subject Q8792571.
- Q40164 abstract "A lever (/ˈliːvər/ or US /ˈlɛvər/) is a machine consisting of a beam or rigid rod pivoted at a fixed hinge, or fulcrum. A lever is a rigid body capable of rotating on a point on itself. It is one of the six simple machines identified by Renaissance scientists. The word entered English about 1300 from Old French, in which the word was levier. This sprang from the stem of the verb lever, meaning "to raise". The verb, in turn, goes back to the Latin levare, itself from the adjective levis, meaning "light" (as in "not heavy"). The word's ultimate origin is the Proto-Indo-European (PIE) stem legwh-, meaning "light", "easy" or "nimble", among other things. The PIE stem also gave rise to the English word "light". A lever amplifies an input force to provide a greater output force, which is said to provide leverage. The ratio of the output force to the input force is the mechanical advantage of the lever.".
- Q40164 thumbnail Palanca-ejemplo.jpg?width=300.
- Q40164 wikiPageExternalLink ASimpleLever.
- Q40164 wikiPageExternalLink source.html.
- Q40164 wikiPageExternalLink Levers.shtml.
- Q40164 wikiPageWikiLink Q1057607.
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- Q40164 wikiPageWikiLink Q19793.
- Q40164 wikiPageWikiLink Q211783.
- Q40164 wikiPageWikiLink Q244330.
- Q40164 wikiPageWikiLink Q25342.
- Q40164 wikiPageWikiLink Q2632017.
- Q40164 wikiPageWikiLink Q310798.
- Q40164 wikiPageWikiLink Q35222.
- Q40164 wikiPageWikiLink Q3705329.
- Q40164 wikiPageWikiLink Q37178.
- Q40164 wikiPageWikiLink Q39546.
- Q40164 wikiPageWikiLink Q397.
- Q40164 wikiPageWikiLink Q40847.
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- Q40164 wikiPageWikiLink Q5283631.
- Q40164 wikiPageWikiLink Q5378501.
- Q40164 wikiPageWikiLink Q7485130.
- Q40164 wikiPageWikiLink Q7808932.
- Q40164 wikiPageWikiLink Q8739.
- Q40164 wikiPageWikiLink Q874311.
- Q40164 wikiPageWikiLink Q8792571.
- Q40164 comment "A lever (/ˈliːvər/ or US /ˈlɛvər/) is a machine consisting of a beam or rigid rod pivoted at a fixed hinge, or fulcrum. A lever is a rigid body capable of rotating on a point on itself. It is one of the six simple machines identified by Renaissance scientists. The word entered English about 1300 from Old French, in which the word was levier. This sprang from the stem of the verb lever, meaning "to raise".".
- Q40164 label "Lever".
- Q40164 depiction Palanca-ejemplo.jpg.