Andrews, Ernest John, 1863-, Howland, Howard Newell, 1865- joint author · New York, London, The Macmillan company · leaf 101
ey may also be considered as a second-class lever with the fulcrum at /, the weight suspended atx^ the center of the pulley, and the force applied at p.Applying the principle of moments we at once see thatP is |- Tf, and must move twice as far, fp being the forcearm and/a: the weight arm. 152. The… … §§ 152-153] MACHINES 87 in each case ; but in a we have four parts of the support-ing cord which are connected with the block on which theweight hangs, and in h we have five parts of the cord sup-porting the weight. In a we have the end of the cordattached to the fixed block, and in b we ha)ve it…
Physics
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