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Mathematics 13 Online
OpenStudy (noahbred):

Please help If 20 N of force are required to lift an object without a machine and 5 N are needed with the machine, what is that machine’s mechanical advantage? 10 2 100 4

RhondaSommer (rhondasommer):

I believe four... just because you have to divide the normal force to lift an object by the machines force :) does that help?

OpenStudy (anonymous):

The answer is D. Do you know why?

OpenStudy (noahbred):

not sure?

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