That is based on the density of the medium it is surrounded by. The more dense a thing is, and it will go down, if it is less dense then the medium it is surrounded by, it will go up. If an object finds it relative buoyancy level, it will neither move up or down, unless an external force is applied to it.
That is based on the density of the medium it is surrounded by. The more dense a thing is, and it will go down, if it is less dense then the medium it is surrounded by, it will go up. If an object finds it relative buoyancy level, it will neither move up or down, unless an external force is applied to it.
I am your Density!
It knows it based on its density relative to its surroundings.
I do not know why things that does not happen, does not happen.