# physical science

A screwdriver with a 1-cm shaft and a 4-cm handle is used to tighten a screw, what is the ima?

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1. If those are both radii or diameters, the answer is 4.

Do you see why?

Do you know what ima stands for?

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2. ideal mechanical advantage. That is the answer that I got too. It seemed to easy?! Thank you!!

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