answersLogoWhite

0

Because that's what density does.

Whenever an object is immersed in a medium with higher density than the object, the object will try to rise to apoint where its buoyancy(lifting force) equals the pull of gravity.

User Avatar

Wiki User

11y ago

What else can I help you with?

Related Questions

Why would heating the gas in a hot air balloon make the balloon rise?

When the gas (air) in a hot air balloon is heated it becomes less dense. This makes the balloon more buoyant so it rises.Because heating the air inside the balloon makes it less dense than the air surrounding the outside of the balloon, so it will rise.


What determines if a balloon filled with a gas will rise or sink in the air?

A balloon filled with a gas will rise or sink depending on the density of the gas inside compared to the surrounding air. If the gas inside is less dense than the surrounding air, the balloon will rise. If the gas inside is more dense, the balloon will sink.


Is the air inside of a balloon more dense or less dense than the air around it?

The air inside a balloon is less dense than the air around it. When the balloon is inflated, it contains less air molecules compared to the same volume of air outside the balloon, making it less dense.


How does a balloon filled with nitrogen air fly up?

The composition of air is roughly 78% nitrogen and the remainder except a negligable amount of hydrogen is more dense than nitrogen. Therefore a balloon filled with nitrogen will be less dense then the surrounding air and thus will rise. The balloon will probaly not rise, as there is insufficient lift to overcome the weight of the balloon fabric. Are you sure you don't mean Helium, or Hydrogen?


Is the air inside the balloon less dense than the air outside the balloon?

No. If you blow air into a baloon, it will be under pressure, and therefore more dense, than the air outside.No. If you blow air into a baloon, it will be under pressure, and therefore more dense, than the air outside.No. If you blow air into a baloon, it will be under pressure, and therefore more dense, than the air outside.No. If you blow air into a baloon, it will be under pressure, and therefore more dense, than the air outside.


How does a hot air balloon work?

Hot air balloons get their buoyancy from hot air created by a propane burner at the base of the balloon. Hot air is less dense than cold air and so weighs less. When the cold air that is displaced weighs more than the balloon, the balloon will rise. The balloons weight is controlled by turning the burner on and off when needed. The hot air is less dense than the outside air and so the balloon is squeezed upwards by the surrounding air. The air becomes less dense as more heat is applied, particles separate more and more when heat is applied. The more heat is applied the further apart and less dense the particles become.


How does air help to make a hot air balloon work?

Air has a certain density. A hot air balloon heats air inside the balloon which causes it to become less dense. This is because the hotter something is, the more space it takes up. Less dense things float on top of more dense things (think of oil on water). You get enough less dense hot air, and the balloon will float up on top of the cold, dense air.


Are helium balloons more dense than air baloons?

No. At the same pressure, a helium filled balloon will be less dense than an air-filled balloon.


Why does a hot air baloon rise?

They rise because the hot air from the fire in the balloon art weighs less then the cool air around the balloon. so it floats up and rises. It uses convection energy. Hot air is less dense and rises and cool air is more dense and sinks.


How do hot air balloons use the principle of bouyancy?

Hot air balloons heat up contained air so that the density of it becomes significantly less than the outside air and thus the container (balloon) will rise of float in the surrounding air until the density difference is null. Buoyancy is just that, less dense substances floating or rising in more dense substances. The other approach is saying more dense substances sink in less dense substance.


Is a hot-air balloon buoyant?

Yes, hot air balloons are less dense and therefore buoyant ============================================ Hot air balloons are buoyant to the extent that the weight of the hot air in the balloon is lighter than the free air. When the difference is more than the weight of the balloon and its contents it will be buoyant and will ascend.


What powers a hot air balloon?

A hot air balloon is powered by burning propane in the burner, which heats the air inside the balloon envelope. As the air inside the balloon heats up, it becomes less dense than the surrounding air, causing the balloon to rise. The pilot can control the altitude by adjusting the burner intensity to heat the air more or less.