Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 68
o heavy as wlien inthe air. You can lift a much larger stone if it is immersed inthe water tlian if it is on the shore. Again, a balloon floats in the air, though we are sure thematerials in it weigh hundreds of pounds. In each case we recognize there is a buoyant force exertedupwards. Let us see… … Now take a brasscylinder A, whichfits exactly into aliollow socket B.Hook the cylinderto the bottom ofthe socket and thesocket to the under side of the counterpoise. Then putweights or shot on the balance-pan until equilibrium isobtained. Next surround the cylinder with water, as shown in…
Physics
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