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Levers Chris Ollerenshaw

Levers

Chris Ollerenshaw

Published July 1st 1994
ISBN : 9780836811216
Hardcover
32 pages
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 About the Book 

Levers are frequently found in nature. The bodys ability to move, for example, is entirely dependent on a complex system of levers. Early humans discovered that levers tremendously magnify applied force. Children who havent yet observed thisMoreLevers are frequently found in nature. The bodys ability to move, for example, is entirely dependent on a complex system of levers. Early humans discovered that levers tremendously magnify applied force. Children who havent yet observed this process are fascinated by it. Numerous lever-based toys provide hours of additional exploration.