International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 355
e pulley A will movethrough a certain angle, EOF, the length ofthe arc E /^ being equal to the distance P D.Any point on the pulley B, which is fastened toA., will turn through the same angle; and thedifference between the arc KL, through whichthis point turns, and the arc E /^ will be… … Fig. 149. 344 ELEMENTARY MECHANICS. of the arc AA, and ;;/ will fall through the same distanceto ///, thus causing the weight /J to be raised one half theliifferenee betxceen in ni and P J^. The ratio between thedistances through which /Kand /^move will be arc R F — arc KL ,, ,, R — r „ : /: /, or…
Railroad engineering
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