Incline Plane Pulley

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An illustration of an inclined plane pulley. “Let the weight w be started to move p the plane, and let P be the pull in the cord which just keeps up steadily the motion imparted to w. Then id l is the length of the plane and h its vertical height, it is evident that when w rolls the whole distance l, P falls through the same distance since the length of l of cord passes over the pulley.” -Britannica, 1891




Benson John Lossing, ed. The New Popular Educator (London, England: Cassell & Company Limited, 1891)


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