Surface Tension

Surface tension, in physics, is an effect within a liquid's surface layer, which causes the layer to possess characteristics similar to elastic. For instance, surface tension allows insects such as a water strider to walk on water. Surface tension, thus, is the result of the cohesive forces that attract water molecules to one another. This surface force keeps objects that are more dense than water (meaning they should not float) from sinking into it. The surface tension of water makes it puddle on the ground and keeps it in a droplet shape when it falls. If one uses a table fork to carefully place a paper clip on the surface of some clean water, a person will find that the...

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