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Handout
Ohio State University

Ohio State Univ.: Simple Machines & Mechanical Advantage [Pdf]

For Students 9th - 10th
This site details how simple machines create a mechanical advantage for humans. Levers, theoretical mechanical advantage, actual mechanical advantage, and pulley systems are discussed.
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Handout
Integrated Publishing

Integrated Publishing/the Screw

For Students 9th - 10th
A full and complete discussion of the simple machine called the screw, a modified inclined plane. Many examples and drawings and applications.