Elementary natural philosophy : designed for high schools and academies (1881)
Griffin, La Roy F. (La Roy Freese), 1844-1916 · Philadelphia : Sower, Potts & Co. · leaf 55
rm is longer than the other, the power willmove further than the weight. 157. Applications of this lever are numerous. A barused to pry out a stone, or to draw a spike, a pair of scis-sors, and the balance* may be mentioned. 158. The Lever of the Second Class has the fulcrum atone end, and the… … 159. Applications.
Physics
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