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.Wednesday, April 30, 2008 ' 4:04 PM Y
design&technology!

Cranks have many uses and they can be found in some toys as part of a mechanism or in serious machinery such as car engines. Some cranks are attached to mechanisms that are difficult to turn or rotate.



The crank acts like a lever, increasing mechanical advantage (the distance between the handle and the central shaft is increased - this makes it easier to turn).







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