Aaron A.
asked 04/12/15A pulley system has a MA of 4. How much force would be needed to pull up a 200 N box
It's got to do with pulley system calculations
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1 Expert Answer

Mark H. answered 04/12/15
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the mechanical advantage (MA) is the ratio of output force to input force.
If you are lifting 200 Newtons, then the input force will be 200 / 4 = 50 Newtons
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Michael J.
04/12/15