Understanding Buoyancy
Objects float or sink based on their average density compared to the fluid they are in. Light objects, like ships and hot air balloons, can float because their overall density is less than that of water or air. A fascinating example is icebergs, where approximately 89% of their volume remains submerged due to the density difference between ice and water, allowing them to float with only a portion above the surface.In this clip
From this podcast
The Science of Everything Podcast
Episode 41: Flotation and Fluid Mechanics
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