Which way does water swirl down a drain on the equator?

Answer 1

What I've read on the internet just recently, that it don't matter which side of the equator you're at, the water still goes down the drain the same way, so I would imagine that's true at the equator itself. I've never been south of the equator, so I couldn't tell you for sure. I hope I've helped you with this.......best of luck to you.

Answer 2

Equator Water Swirl

Answer 3

Whether you're in the northern or southern hemisphere or at the Equator, you can make the water swirl either way or, if you're very careful, you can make it go straight down. Try it. The Coriolis force is too weak to be noticeable on a small scale like in a washbasin. It's only important on a scale of several kilometres, like weather systems.

Answer 4

A popular misconception is that the Coriolis effect determines the direction in which bathtubs or toilets drain, and whether water always drains in one direction in the Northern Hemisphere, and in the other direction in the Southern Hemisphere. Hence, you're not sure what happens at the Equator.

Well, it turns out that the way water spins in toilets, tubs and sinks depends on how water flows in and how you pull the plug out. So that would be the same at the Equator as it is in the Northern or Southern Hemispheres.

Answer 5

Depends on the shape of your basin and/or how YOU start the flow with your hand (clockwise or counterclockwise).

All the highly sophisticated explanations in physics books about the CORIOLIS force affecting the drain seem to be just fakes. The CORIOLIS force is too weak to have an effect compared to other reasons of the drain-out direction like shape of basin, thermal motion of the water before opening the drain etc. Even the movement of your hand when opening the drain-outlrt has a stronger effect on the diection than the CORIOLIS force.

I was so disappointed when I was in Rio de Janeiro and the drain-out direction in the hotel was not the opposite of back home in Germany. My beloved and honoured physics book in this issue just has told me a fairy tale.

Answer 6

The "coriolis force" is much smaller than local forces. If you swirl it one direction (cw or ccw) then it will swirl that direction as it drains. Thats true in the north hemisphere, south hemisphere, and on the equator.

The rule is the system is responsive to the most powerful forces. If you are in a lab, and you work very hard to remove all forces but the "coriolis force" then you can see its effect.

The appended links have TONS of info.

Answer 7

North of the equator water swirlsclockwise....south of the equator water swirls counter-clockwise

Answer 8

Internet,library

Answer 9

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Answer 10

It just kind of goes straight down.