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Mechanical advantage

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Mechanical advantage: The power of the lever, 1877. Lever of the second kind where effort is between fulcrum and load. Resistance, A, between power, B, and fulcrum, C. Use of a lever allows more power to be exerted for the same effort than is possible without it. From "Natural Philosophy", A Ganot, (London, 1877).

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Photos12.com - Ann Ronan Picture Library

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Photo12/Ann Ronan Picture Library

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ARP07104_460001012

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23,4Mo (719,7Ko) / 30,0cm x 19,6cm / 3543 x 2311 (300dpi)