A lever used to lift a heavy box has an input arm of 4 meters and an output arm of 0.8 meters. What is the mechanical advantage of the lever?

asked Jan 26, 2015 144k views

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A lever used to lift a heavy box has an input arm of 4 meters and an output arm of 0.8 meters. What is the

mechanical advantage of the lever?

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The mechanical advantage is (4meters) / (0.8meter) = 5 .

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