Pulley: meaning, definitions and examples
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pulley
[ ˈpʊli ]
mechanical
A pulley is a simple machine consisting of a wheel with a groove along its edge to hold a rope or cable. It is used to change the direction of a force or to transmit mechanical power.
Synonyms
block and tackle, hoist, sheave
Examples of usage
- A pulley is often used in combination with other pulleys to create a mechanical advantage.
- The garage door opener uses a system of pulleys to lift the heavy door.
- The flag on the ship was raised using a pulley system.
- By adding more pulleys to the system, you can reduce the amount of force needed to lift an object.
- Pulleys are commonly found in various industries for lifting heavy loads.
Translations
Translations of the word "pulley" in other languages:
🇵🇹 polia
🇮🇳 चरखी
🇩🇪 Riemenscheibe
🇮🇩 katrol
🇺🇦 шкіф
🇵🇱 koło pasowe
🇯🇵 滑車 (kasha)
🇫🇷 poulie
🇪🇸 polea
🇹🇷 kasnak
🇰🇷 도르래 (dorurae)
🇸🇦 بكرة
🇨🇿 kladka
🇸🇰 kladka
🇨🇳 滑轮 (huálún)
🇸🇮 škripec
🇮🇸 trissu
🇰🇿 шкив
🇬🇪 წრიპი (tsripi)
🇦🇿 kasnak
🇲🇽 polea
Word origin
The word 'pulley' originated from the Old French word 'polie' which meant a 'pulley' or 'sheave'. The concept of using pulleys as a mechanical advantage dates back to ancient times, with evidence of pulley systems found in ancient Greece and Egypt. Pulleys have been an essential tool in lifting heavy objects and transmitting power for centuries, playing a crucial role in the development of various industries.