So i’ve recently seen alot of videos with those unsinkable boats in a box: [https://www.youtube.com/watch?v=3UuNTJQEd88&ab\_channel=Commonlee](https://www.youtube.com/watch?v=3UuNTJQEd88&ab_channel=Commonlee) now I get that the blue stuff is water with food coloring and the transparent stuff is oil and that oil always stays on top of the water. But why does the boat always stay inside the oil part? Thanks!
In: Physics
Think of a balloon floating in a bowl of water. Would you be able to do anything to make the balloon sink in the water or float in the air?
No matter how much you move the water around or turn it or sink the balloon by hand, it will always end up floating.
That’s because the balloon is less dense than the water but denser than air (because of the balloon material itself).
It’s the same thing here but instead of air there is another liquid on the top of the blue liquid.
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