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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Pulley Power: The Secret to Simple Machines
Explore the clever mechanics behind pulleys in Jiwi's Machines Episode 2. Discover how simple systems create powerful movements in this exciting Science Extra feature. White House Starts Mass Layoffs ...
GREENFIELD — While most teachers show their students how to simplify problems, Amy Fletcher likes to teach her students how to make the simplest tasks more complicated. The Greenfield-Central ...
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