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We have considered liquids under compression. Can liquids be put under tension? If so, will they tear under sufficient tension as do solids? (See "The Tensile Strength of Liquids," by Robert E. Apfel, Scientific American, December 1972, p. 58.)
Yes, liquids can be put under tension.The molecules which are present on the surface of the liquid are attracted by the molecules below them. Thus, there is net force acting on the molecules present on the surface. This force pulls the molecules inward. Due to this, the surface of the liquid tends to be under tension. It is known as surface tension.Liquid will tear under sufficient tension.Consider the soap bubble. The excess pressure that maintained between pressure inside the bubble and the atmosphere pressure makes the soap bubble under tension. When sufficient tension or force are given, the excess pressure cease to act and collapse.
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