Before reading your solution, my guess would be that the center of gravity was always over the edge. It’s just that when the bottle was empty, the adhesive forces of the water linking the bottle to the shower door were sufficient to hold it back from tipping.
Edit: It looks like we reached the same conclusion.
Yes, it’s definitely a skill that we all need to develop to be able to identify all the assumptions we make in our reasoning. Thanks for the exemplifying post.
Before reading your solution, my guess would be that the center of gravity was always over the edge. It’s just that when the bottle was empty, the adhesive forces of the water linking the bottle to the shower door were sufficient to hold it back from tipping.
Edit: It looks like we reached the same conclusion.
Yes, it’s definitely a skill that we all need to develop to be able to identify all the assumptions we make in our reasoning. Thanks for the exemplifying post.