Gears are the most rugged type of mechanical drive. They transmit power at up to 98% efficiencies and have long service lives. That’s why gears rather than belts or chains... March 13, 2017 Gears are ...
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.
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