surface tension the tension of the surface film of a liquid caused by the attraction of the particles in the surface layer by the bulk of the liquid, which tends to minimize surface area.

surface tension

What is called surface tension?
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What does surface tension do?
What is the purpose of surface tension?



Surface Tension. The cohesive forces between liquid molecules are responsible for the phenomenon known as surface tension. The molecules at the surface do not have other like molecules on all sides of them and consequently they cohere more strongly to those directly associated with them on the surface.
Surface Tension - HyperPhysics Concepts
hyperphysics.phy-astr.gsu.edu/hbase/surten.html
noun
noun: surface tension

the tension of the surface film of a liquid caused by the attraction of the particles in the surface layer by the bulk of the liquid, which tends to minimize surface area.

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Surface tension - Wikipedia
https://en.wikipedia.org/wiki/Surface_tension

Surface tension is the elastic tendency of a fluid surface which makes it acquire the least surface area possible. Surface tension allows insects (e.g. water striders), usually denser than water, to float and stride on a water surface.
‎Surface energy · ‎Surface Tension · ‎Cohesion · ‎Gerridae


What is meant by surface tension of a liquid?
Do solids have surface tension?
What is a simple definition of surface tension?
Definition of surface tension for English Language Learners. : the force that causes the molecules on the surface of a liquid to be pushed together and form a layer.
Surface Tension | Definition of Surface Tension by Merriam-Webster
https://www.merriam-webster.com/dictionary/surface%20tension
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What is the surface tension of water?
Surface Tension and Water. ... The property of the surface of a liquid that allows it to resist an external force, due to the cohesive nature of its molecules. The cohesive forces between liquid molecules are responsible for the phenomenon known as surface tension.Dec 2, 2016

Surface Tension

The cohesive forces between liquid molecules are responsible for the phenomenon known as surface tension. The molecules at the surface do not have other like molecules on all sides of them and consequently they cohere more strongly to those directly associated with them on the surface. This forms a surface "film" which makes it more difficult to move an object through the surface than to move it when it is completely submersed.
Surface tension is typically measured in dynes/cm, the force in dynes required to break a film of length 1 cm. Equivalently, it can be stated as surface energy in ergs per square centimeter. Water at 20°C has a surface tension of 72.8 dynes/cm compared to 22.3 for ethyl alcohol and 465 for mercury.

Decrease in water surface tension with heating

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Capillary Action

Capillary action is the result of adhesion and surface tension.
Adhesion of water to the walls of a vessel will cause an upward
force on the liquid at the edges and result in a meniscus which turns upward. The surface tension acts to hold the surface intact, so instead of just the edges moving upward,
the whole liquid surface is dragged upward.