Recent content by xorisa

Can you elaborate on that? My understanding is that because the lid is on, the air pressure on the outside is equal to the air pressure inside, and because the air pressure is pushing on the bottle on all sides, thus the water stays in the bottle.

So is it that because when the lid is closed there are no air pressure acting on the water and also air pressure from outside is acting on the small hole so that keeps the water in?

Homework Statement You open the plastic bottle lid to take a drink,and notice fluid flowing from a small hole in the bottom of the bottle. You put the lid back on and the flow stops. Explain why the flow did not start until the lid was off. Explain why the flow stopped when the lid was put...