How do unsinkable boat toys in a box work?

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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

3 Answers

Anonymous 0 Comments

The boat is more dense than the oil but less dense than the water. So it will always float to the top of the water, but always sink to the bottom of the oil. It remains trapped in the middle.

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