Lever Meaning: Definition, Examples, and Translations
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lever
[ˈliːvər ]
Definitions
mechanical
A rigid bar that pivots on a fixed point and is used to transmit force, as in raising or moving a weight at one end by pushing down on the other.
Synonyms
Examples of usage
- The lever helped to lift the heavy box effortlessly.
- She used a lever to pry open the stuck door.
- The lever was a simple yet effective tool for moving heavy objects.
manipulate
To use leverage or manipulation to achieve a desired result, especially in a skillful or cunning way.
Synonyms
exploit, influence, manipulate.
Examples of usage
- He managed to lever his way into the conversation.
- She levered her connections to secure the deal.
Translations
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Interesting Facts
Science and Mechanics
- Levers are classified into three types based on the positions of the load, effort, and fulcrum.
- The principle behind a lever is based on mechanical advantage, allowing a smaller force to lift a heavier load.
- Archimedes famously said, 'Give me a place to stand, and I will move the Earth,' highlighting how powerful levers can be.
Historical Uses
- Ancient Egyptians used levers to lift stones for building pyramids, showcasing early engineering skills.
- The catapult, a device using lever principles, was crucial in warfare during the Middle Ages.
- In the Industrial Revolution, levers enabled advancements in machinery and transportation.
Pop Culture
- In movies, levers often appear as dramatic plot devices, such as pulling a lever to activate a trap or mechanism.
- Video games frequently incorporate lever puzzles where players must pull levers to open doors or access new areas.
- Cartoons often portray characters pulling levers in exaggerated ways for comedic effect.
Education
- Levers are often one of the first topics in physics classes, demonstrating basic principles of mechanics.
- Hands-on experiments with levers help children understand concepts of force and motion.
- Educational toys commonly include levers to teach young kids about physics through play.
Origin of 'lever'
Main points about word origin
- The word comes from the Old French 'levier', which means 'to raise'.
- It has roots in the Latin word 'levare', meaning 'to lift up' or 'to make light'.
- This term has been used since the 14th century to describe tools that assist in lifting.
The word 'lever' originated from Old French 'levier', from Latin 'levare' meaning 'to raise'. The concept of a lever has been used since ancient times, with examples of its use found in the works of Archimedes and other ancient mathematicians. Levers are fundamental tools in physics and engineering, playing a crucial role in the development of machines and technology.