Assume two liquids of different density stacked on top of each other. Or, assume a ballon filled helium gas, in our atmosphere.
1. Why does the lighter fluid “go up”? How does this work out on a molecular level?
2. What would happen when these fluids in free fall, I.E not under the influence of gravity?
In: 8
Think about dropping a rock in water. The rock sinks because it is heavier. Density is just weight/volume. A heavier liquid/gas/object will literally sink.
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