Why is it so easy for you to use a screw driver to loosen/tighten screws, but nearly impossible/very hard to do it with just your hand?

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Why is it so easy for you to use a screw driver to loosen/tighten screws, but nearly impossible/very hard to do it with just your hand?

In: Physics

5 Answers

Anonymous 0 Comments

Your fingers cannot squeeze the screw tight enough to turn it without slipping. If you were wearing special non-slip gloves then maybe it would work, but then the thickness of the gloves would make it hard to squeeze the screw at all

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