Source: NOVA: "Secrets of Lost Empires: Easter Island" This resource was adapted from NOVA: "Secrets of Lost Empires: Easter Island." Archaeological evidence suggests that ancient peoples were able to ...
The film *Spinning Levers* explores the fundamental mechanics of levers and gears, illustrating their role in various everyday applications and in the complex workings of a car’s transmission.
Discusses the principles of levers, a type of simple machine that helps lift heavy loads by changing the direction or magnitude of force applied. It explains how the position of the fulcrum affects ...
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