Merchant, F. W. (Francis Walter), 1855-1937, Fessenden, Cortez, b. 1852 · Toronto : Copp, Clark · leaf 97
ent 3 after having greased the lower surfaceof the disc. Was force necessary to separate the disc from the water ? If so,what force had to be overcome to cause the separation ? Experiment 5. Repeat Experiment 3, using mercury instead of water. 1. Is there any adhesion between the disc and the… … PROPERTIES AND LAWS OF LIQUIDS. 89 2. Is there any cohesion among the particles of the mercury ? 3. In pouring liquids from vessels a glass rod is often placed asshown in Fig. 55. Why does this prevent the liquid from running
Physics
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