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Pulleys - Is it possible to lift big brother Eddy?
Автор: kids can!
Загружено: 2021-08-09
Просмотров: 432
Описание:
Ray tries to lift big brother Eddy. Eddy explains how pulleys might be able to help out.
In this video, pound mass is treated like pound force for simplicity. The correct treatment would have pound mass multiplied by the gravity of Earth to produce pound force.
A compound pulley is a combination of the simple and moveable pulley. It is sometimes called a combination pulley. Archimedes is credited for inventing the compound pulley. The simple pulley dates back to Ancient Egypt (1991-1802 BCE) and Mesopotamia in the early 2nd millennium BCE.
For a great explanation on pulleys, check out Smarter Every Day: • Why Snatch Blocks are AWESOME (How Pulleys...
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