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.

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. How we test gear. Getting a flat tire is an inevitable part of cycling, and there’s only so many ...

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 ...