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Earth Sciences 18 Online
OpenStudy (anonymous):

Less effort force (input force) is needed to overcome the load (output force) due to this.

OpenStudy (anonymous):

does anybody know this it is for my mid term exams and i don't know the answer please help!

JoelTheBoss (joel_the_boss):

http://www.oocities.org/jaywilliams.geo/simmach.html Maybe this can help, its a small article on simple machines. :)

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