Hall, Edwin Herbert, 1855-1938 · New York, H. Holt and company · leaf 70
ship-board capstans are frequently worked by meansof a number of men walking about the drum and pushingagainst the levers, or capstan-bars, of which there may beseveral applied to one cylinder. 61. Movable Pulleys.—In the pulleys thus far studiedby us the pivot has been fixed in position; but… … suspended from an axis through the centre of the pulley, B a springbalance, and h sl hook to which one end of the stringpassing beneath the pulley is attached. To what class of levers does the pulley in thisposition belong? What, then, should be the rela-tion between the weight, which is Mplus the…
Physics
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