What does pulleys mean?
Definitions for pulleys
pul·leys
This dictionary definitions page includes all the possible meanings, example usage and translations of the word pulleys.
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Wikipedia
pulleys
A pulley is a wheel on an axle or shaft that is designed to support movement and change of direction of a taut cable or belt, or transfer of power between the shaft and cable or belt. In the case of a pulley supported by a frame or shell that does not transfer power to a shaft, but is used to guide the cable or exert a force, the supporting shell is called a block, and the pulley may be called a sheave or pulley wheel. A pulley may have a groove or grooves between flanges around its circumference to locate the cable or belt. The drive element of a pulley system can be a rope, cable, belt, or chain. The earliest evidence of pulleys dates back to Ancient Egypt in the Twelfth Dynasty (1991-1802 BCE) and Mesopotamia in the early 2nd millennium BCE. In Roman Egypt, Hero of Alexandria (c. 10-70 CE) identified the pulley as one of six simple machines used to lift weights. Pulleys are assembled to form a block and tackle in order to provide mechanical advantage to apply large forces. Pulleys are also assembled as part of belt and chain drives in order to transmit power from one rotating shaft to another. Plutarch's Parallel Lives recounts a scene where Archimedes proved the effectiveness of compound pulleys and the block-and-tackle system by using one to pull a fully laden ship towards him as if it was gliding through water.
Webster Dictionary
Pulleys
of Pulley
Editors Contribution
pulleys
Plural form of the word pulley.
He used the pulleys on the internal warehouse system to move the packages from one department to another efficiently.
Submitted by MaryC on March 28, 2016
Numerology
Chaldean Numerology
The numerical value of pulleys in Chaldean Numerology is: 2
Pythagorean Numerology
The numerical value of pulleys in Pythagorean Numerology is: 2
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Translations for pulleys
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"pulleys." Definitions.net. STANDS4 LLC, 2024. Web. 25 Apr. 2024. <https://www.definitions.net/definition/pulleys>.
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