Lynde, Carleton John, b. 1872 · New York : Macmillan · leaf 71
places 12,800 cu. ft. of air, the totalbuoyant force on it is equal to the weight of 12,800 cu. ft.of air. This is 12,800 X f = 16,000 oz. = --yV^ = 1000 lb.The balloon, then, could lift a total weight of 1000 lb. Laws. We have now studied three different laws of natureapplying to gases, namely: —… … Fig. 39. - Illustrating the buoyantforce of air. MECHANICS. GASES 57 Boyles law. — The volume of a gas varies inversely as thepressure on it. This is an important law which appUes to allgases. It is called Boyleslaw after Robert Boyle,an Englishman, who dis-covered it in 1666. This law means that…
Physics · Home Economics
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