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In a hot air balloon, a gas burner is used to heat air to a temperature of about 212°F (100°C). Since hot air is lighter and less dense than the cool air around the balloon, the heated air causes the whole balloon to rise. When the air inside the balloon cools down, or when the hot air is let out, the balloon goes down. A hot air balloon is powered by hot air, hot air is lighter (less dense) then the air outside of the balloon (More dense) Heat rises, so the heated air, pushes up into the balloon allowing the balloon to lift. The more heat, the faster it will go, the less heat, the slower it will go, until it starts to descend. Decent is relatively slow, because the air is slowly cooling, however the cooler the air the faster the decent is. To avoid rapid falling, heat it applied to reheat the air so the decent goes slowly.
Wiki User
∙ 7y ago
Wiki User
∙ 11y agowith hot air inside the balloon it makes it easy for the wind to just push the balloon
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Which force allows hot air balloons to fly?
Buoyancy allows hot air balloons to fly.
Why lighter than air balloons fly?
air balloons or hot air balloons fly because they fill with a very light type of air. The air is hot air.
How do hot air balloons use air to fly?
Hot air balloons use the fact that hot air rises as a way to make balloons fly. When the air inside the balloon is heated, it rises, and this creates lift which is used to make the balloon fly.
Why does hot balloons fly?
The hot air inside the balloon expands, making the hot air balloon fly.
How do hot-air balloons fly?
Hot air balloons can fly because hot air rises. When the air inside the balloon gets hot, it rises above the cooler air around it, and it lifts the balloon and any cargo and passengers with it.
What did Montgolfier first fly?
Hot air balloons
What can you make fly?
You can't physicly fly, but you can ride in air planes and hot air balloons.
Where do hot air balloon fly form?
Hot air balloons can pick up and fly from just about anywhere. As long as the surface is flat a hot air balloon can fly from it.
Does a hot air balloon float or fly?
a hot air balloons floats. something to do with buoyancy
What layer of the atmosphere does hot air balloons fly?
Troposphere
What source is used to fly hot air balloons?
Wind !... The balloons are filled with hot air, which causes them to rise. They are then at the mercy f the wind direction.
Do hot air balloons fly or glide?
neither..... they float with the wind! :-)
