water rotates clockwise/counterclockwise above and below equator, which way exactly upon the equator?

Answer 1

Near the equator the water is indecisive... ;-)

I'm smiling but it is a serious answer. The "coriolis force" is near zero at the equator so there is nothing driving the direction.

Aloha

Answer 2

its actually a common misonception that water spins only counter clockwise in the drain south of the equator and only clockwise north of it. This is based on the myth that coreolis forces are strong enough to cause the direction of spin to change. In actuality, for coriolis forces to have that strong of an effect, the water would have to be shooting down the drain at WAY more than 200 mph.

the reality is that water goes down a drain based on the shape of the sink and the direction the water enters the drain, so at the equator or in the north or south, it still doesn't make a difference.

here's a website link to an EDU page where they discuss the myth. http://www.ems.psu.edu/~fraser/bad/badco...

Answer 3

The rotation of water in a sink, bath or bathroom has not something to do with the place you're. Thats an city legend. The rotation of the earth would not impact it small structures. It in basic terms impacts massive issues like the climate.