How is buoyancy and density related?

Answer 1

Higher the difference of water density to object density is higher buoyancy force.

Answer 2

Buoyancy and density are related through Archimedes' principle, which states that an object will float in a fluid if its density is less than that of the fluid. Density is a measure of how much mass is contained in a given volume, while buoyancy is the upward force exerted by a fluid on an object immersed in it. As an object's density approaches or exceeds the density of the fluid, it will sink.

Answer 3

For a full explanation of how the buoyancy principle works and how it relates the helium and hot air balloons go to the related question "What is the buoyancy principle?" in the Related Questions section below.

Answer 4

Yes. Buoyancy force = weight of liquid displaced.If an object is less dense than the liquid, it floats. In this case no liquid is displaced. If the object is more dense than th4 liquid, it will sink displacing some liquid. the displaced liquid weight is the buoyancy force.

This is tricky, because the connection is not as direct as people think. Buoyancy is actually directly related to the VOLUME of a submerged object. Two submerged objects of identical size will have the same buoyancy, regardless of their weights. The total buoyant force on an object is equal to the weight of the water the object displaces. So if a submerged object that weighs 10 pounds displaces three pounds of water, the buoyant force is three pounds, and the object will have an apparent weight of seven pounds. In that case, the object will sink. What else can we conclude from that? Obviously, the 10-pound object mentioned above is denser than water. Why? Because the object weighs 10 pounds but the equivalent volume of water it displaces weighs only three pounds. What if an object of the same size but weighing only two pounds were submerged? It, too, would displace three pounds of water. The net buoyant force on it is, therefore, three pounds. Since it weighs only two pounds, there is a net upward force on the object of one pound. So that object floats! The density of that object is obviously less than water because the weight of the water it displaces is greater than the weight of the object.

Answer 5

(DrStrong) They are related through Archimedes' principle,

FB = ρgV

where FB is the buoyancy force, ρ is the density of the liquid, g is gravity, V is the volume of water displaced by the object (in other words, the volume of the object that lies underneath the water surface).

If FB is greater than the weight of the object, the object will float upwards. If not, the object will sink downwards.

So, the denser the liquid, the GREATER the buoyancy. However, the greater the object weight, the less the buoyancy. Another way to look at it is that the object itself has a volume and density, the product of which is the weight. So if a totally submerged object has less density than the liquid, it will be buoyant. If it has greater density than the liquid, it will sink.Rate This Answer

Answer 6

The denser something is, the less easily it can float. So there is an inverse relationship between density and bouyancy.

Answer 7

Convection is the transfer of heat, which is determined by density.

Answer 8

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