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OpenStudy (anonymous):
A wheelbarrow contains two simple machines: a wheel and axle, and a lever. The lever in a wheelbarrow is made up of the handles attached to the wheel, with the load attached in between. The lever makes it easier to lift the load before it is rolled. For the wheelbarrow above, when the handles are lifted 7.5 centimeters, the load is lifted 3 centimeters. What is the mechanical advantage of this lever?
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OpenStudy (anonymous):
OpenStudy (anonymous):
A 3 B 2.5 C 4.5 @Isaiah.Feynman
OpenStudy (isaiah.feynman):
I'd say B
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