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Physics 16 Online
OpenStudy (anonymous):

How do movable pulleys increase mechanical force?

OpenStudy (anonymous):

because they are swaping for for distance.

OpenStudy (anonymous):

chacha said: Pulleys can be added together to create mechanical advantage, by having the flexible material looped over several pulleys in turn. - See more at: http://www.chacha.com/question/how-do-movable-pulleys-increase-mechanical-force#sthash.qwgP0NhG.dpuf

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