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Results tagged with surface-tension
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user 45640
Surface tension occurs due to the tendency of liquid molecules to favor their own kind. Surface tension is important in fluid multiphase systems typically at small length and velocity
24
votes
Why is the pressure inside a soap bubble higher than outside?
The increased pressure is caused by the surface tension between the soap and the surrounding air. This can be seen by a simple equilibrium energy argument. The total energy of the system reads
$$
E …
- 904
31
votes
4
answers
45k
views
Why is the pressure inside a soap bubble higher than outside?
Apparently, the air inside a soap bubble is under higher pressure than the surrounding air. This is for instance apparent in the sound bubbles make when they burst. Why is the pressure inside the bubb …
- 904