Second-class Lever

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“Two men carrying a load between them on a pole is also and example of this [second class] kind of lever. Each man acts as the power in moving the weight, and at the same time each becomes the fulcrum in respect to the other.” -Comstock 1850




J. L. Comstock A System of Natural Philosophy: Principles of Mechanics (: Pratt, Woodford, and Company, 1850) 74


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