Eli5: How come boat floats?

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I have no idea how it is possible that a boat floats. Some of them are made with concrete, or metal, and other heavy material that on their own would sink, regardless of shape. But somehow, when it’s used to build a boat, it floats just as fine even if it carries extremely heavy load.

So what is the science behind boat floating, but explained to me like I’m five? 🙂

In: Engineering

6 Answers

Anonymous 0 Comments

When you throw a rock in the water, it pushes (displaces) some of the water out of the way. When you put a boat in the water, it’s not heavy enough to push enough water out of the way that it sinks.

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