This famous invention has a complex history. Eli Whitney had just graduated from Yale University in 1792, when he accepted a ...
In 1793, Eli Whitney came up with the idea for a machine that would separate the sticky green seeds from the fluffy white ...
When you push or pull with a simple machine, you are applying a force and doing work. And, if you get more force out of a machine than you put into it, then that machine has a mechanical advantage.
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