http://www.youtube.com/watch?v=cXsvy2tBJlU
2007-08-07 08:18:57 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Physics
I just wanted an excuse to show this video.
2007-08-07 08:41:16 · update #1
It has nothing to do with falling.
Surface tension is responsible for making water form into spheres. The surface tension of the liquid means that the lowest-energy state is the one with the least surface area, and the shape with the least surface area for a given volume is a sphere. Any protrusions from the sphere are pulled back down.
A water droplet falling through air is not a perfect sphere, but is instead slightly flattened, due to aerodynamic drag.
2007-08-07 08:27:44 · answer #1 · answered by lithiumdeuteride 7 · 2⤊ 0⤋
What do you expect, letters of the alphabet, spelling a cosmic message? The sphere is the shape with the highest ratio of volume to surface area, so it is the shape a liquid is most likely to clump into, without a container to shape it. Same reason planets are round.
2007-08-07 15:23:34 · answer #2 · answered by Anonymous · 2⤊ 1⤋
FOR A GIVEN VOLUME, SPHERE HAS THE LOWEST SURFACE AREA... so it always takes that shape.
2007-08-07 15:31:05 · answer #3 · answered by srikanta 2 · 1⤊ 0⤋