Elements of mechanics: for the use of colleges, academies, and high schools (1859)
Peck, William G. (William Guy), 1820-1892 · New York, A. S. Barnes & Burr · leaf 113
heir lever armsare 15| in., and 6f in. 6. The apparent weight of a body weighed in one panof a false balance is 5J lbs., and in the other pan it is6T6T lbs. What is the true weight ? W = yy x ff- == 6 lbs. Ans. 7. In the preceding example, what is the ratio of thelever arms of the balance ?… … 110 MECHANICS. * The Inclined Plane. §5. An inclined plane is a plane inclined to the horizon.In this machine, let the power be a force applied to a bodyeither to prevent motion down the plane, or to producemotion up the plane, and let the resistance be the weight ofthe body acting vertically…
Mechanics
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