Keyword Analysis & Research: pulleys science


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What does pulley mean in science?

A pulley is a wheel on an axle that is designed to support movement of a cable or belt along its circumference. Pulleys are used in a variety of ways to lift loads, apply forces, and to transmit power. A pulley is also called a sheave or drum and may have a groove between two flanges around its circumference.

What are facts about pulleys?

Pulleys Fixed Pulleys. This pulley type has a drum that is secured to only one spot. ... Movable Pulleys. This type of pulley has a drum that moves as the user is moving the load. A well is the most common example of a movable pulley. Compound System. A compound system has both fixed and movable pulleys. It's also referred to as a combination pulley.

What is the scientific definition of pulley?

The definition of a pulley is a small fixed wheel or a group of such wheels with a rope or chain in a grooved rim that is used to lift something up. An example of a pulley is a device for raising a flag. YourDictionary definition and usage example.

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