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Lever And Loaded Wagon

Purpose

To demonstrate the mechanical advantage of a lever.

Equipment

Wagon, short 4"x4" fulcrum, long 2"x4" lever, people.

Images

b3-01

Description

The rear of the wagon can be lifted with the fulcrum one or two feet from the end of the lever. Even with one or two students on the wagon, the wagon can easily be lifted with a moderate downward force on the lever.