Surface tension on the droplet. Because the surface tension is the same all over the drop, it becomes round. It's like why bubbles are round, because the air pressure is equal at all points.
2006-08-23 21:52:53
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answer #1
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answered by darthclown 4
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It actually does not have perfect spherical shape: it is more like a pear.
In the vacuum, it would be spherical.
The molecules of water are attracted to each other and tend to occupy the a volume where all molecules are as close as possible from each other. The sphere is the shape.
On the other hand, water has a "surface tension" that "links" all external melecules. The best shape to minimise the tension is again a sphere (think of an inflated balloon).
The rain drop is a little more lke a pear because it falls through the air and the air resistance tends to force the bottom part of the drop toward the top, resulting in a pear shape.
2006-08-23 21:57:13
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answer #2
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answered by just "JR" 7
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Because of surface tension water takes the shape of sphere
2006-08-27 18:56:16
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answer #3
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answered by Ravi K 1
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Because the sphere is the most "economical" shape out there - out of all multidimensional geometric figures, sphere has the least surface area. Thus all particles try their best to attain a spherical shape in order to reduce their surface area.
pretty much same reason for all planets being spherical (earth got spherical back when it was molten)
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now, reading your OP again i got confused....
isnt this want ur asking?
or are you asking why rain falls as drops instead of falling down in one loooong thread all the way from the cloud to earth surface?
2006-08-23 22:07:26
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answer #4
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answered by rEdshiFt 2
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Because of surface tension. If you compare the volume or the surface area of a spherical body and a cube with same diameter and side (length or width or height) respectively, then the sphere will have less surface area. And hence it becomes sphere not cubic.
2006-08-24 19:46:15
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answer #5
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answered by dinu 3
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Why Are Water Drops Round
2017-01-12 18:22:06
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answer #6
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answered by Anonymous
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hi.every materialistic body in the world experience force to sustain .same in the case of rainfall drops.the way in which droplets are spherical because of force acting on them called as surface tension.it is the energetic agent acting on the surface and periphery of a body .this concept fits exactly for sperical bodies since they spread over minimum suface area and they occupy minimum space when placed over anything.That is why raindrops are purely spherical not only raindrops but also the planets assume the same shape and spheres are the bodies with eqvivalent forces on all the sides so they do so
2006-08-23 22:18:00
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answer #7
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answered by raghu 1
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Surface tension and the forces acting upon it as it falls through the air such as gravity.
2006-08-23 21:54:33
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answer #8
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answered by Harry 2
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coz of surface tension...secondly itll recieve a lot of opposing force if it did adopt ne other shape
2006-08-27 06:06:29
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answer #9
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answered by Amna Z 3
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due to G-Force and Surface tension
2006-08-23 21:59:01
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answer #10
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answered by Jangid 3
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