t. In various forms of cash carriers,air is exhausted from one end ofa pipe. Explain how an object isthen made to traverse the pipe.A pneumatic railway was operatedon this principle for a short time in Glasgow. In preservingfruit in glass jars, the liquid, at the time of sealing, fills thejar; when… … Fig. 17. Fig. IS. 30. Elasticity. — Such substances as steel, glass, wood, indiarubber, and paper, when bent or compressed, tend to return totheir original form. This is due to a quality called elasticity.Wet clay, putty, and such materials are not elastic. Abilliard ball dropped on a steel floor…
Physics
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