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Does water stop ??

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burgerman:
It"s my understanding that when emptying a bath in this area of the world the water circulates in a certain direction,
   
   And the opposite direction if in australia (for example)

    So




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If you were half way between the two locations somewhere, Whould it go straight down with no rotation ?????

Lucy1978:
The closer you get to the equator the less pronounced the effect is. On the Equator it flows straight down.  do a google for the Coriolis effect.

thermidorthelobster:
Sorry, it's rubbish - it's an urban myth.

The Coriolis effect does exist but the force it produces is way too small to influence the way water flows down a plughole.

The water flows the way you happen to swirl it when you pull the plug, and has nothing to do with where you are on the planet.

This doesn't stop the myth from being propagated in numerous science text books by authors who have never bothered to check it!  And the BBC don't help much either.

http://www.snopes.com/science/coriolis.asp

strapping young lad:
maybe the surface layout of the bath/sink near the plughole must influence the direction?

burgerman:
will do a scientific test tonight, :twisted:
   I shall carry out numerous methods of pulling the plug/swirling the water and post results later on,   Maybe i should go to aussie land to complete the tests  :D

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