Fool's FAQ

How Do Cruise Ships Really Float? (Refresher)


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Why does a solid metal quarter sink straight to the bottom, while a cruise ship weighing over 100,000 tons floats without a problem?

We get into the real physics behind it, starting with Archimedes' principle and how it explains buoyancy through displaced water rather than raw weight. You'll learn how ship design spreads a massive hull's mass across a huge volume to control overall density, and how engineers manage stability so these floating cities don't tip over in open water.

The size of the object turns out to matter a lot less than what shape it's forced to take.

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