How to Move the Earth: Levers and Leverage Paperback Book
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Could a 50 pound person ever lift a 100 pound person? Could they play on a see-saw together? Could anyone ever move the Earth? Let’s find out!
In this simple lesson you’ll learn all about levers, leverage, and mechanical advantage. Experiment using a playground see-saw and a larger (or smaller) friend, and use levers to your advantage!
In this simple lesson you’ll learn all about levers, leverage, and mechanical advantage. Experiment using a playground see-saw and a larger (or smaller) friend, and use levers to your advantage!