For example, we have a bottle filled with water to the point when there’s no space left in that bottle, is the water still moving as we shake the bottle?

Question

For example, we have a bottle filled with water to the point when there’s no space left in that bottle, is the water still moving as we shake the bottle?

In: Physics

Answer 1

You can test this for yourself. Very carefully fill a bottle with water, and add different colours of food colouring as you go along, being careful not to get them mixed too much. Once you’ve filled it all the way to the very top of the neck, cap it and shake it.

Indeed, you can tell from the dye not mixing much more, that the water is not moving much at all.