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Pulleys by Sally M. Walker
Category: Education | Series: Early Bird Physics Books
How does a pulley work? What is it? Colorful diagrams and fun-to-do experiments help you explore the many ways this simple machine can help make work easier and faster.
Screws by Sally M. Walker
Category: Education | Series: Early Bird Physics Books
We've all seen screws, but how do they work? Why is it easier to screw something into something than to simply push it in? With basic hands-on experiments and clear descriptions, this simple machine is explained.
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