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The hot air inside the balloon is less dense than the cold air outside, so the balloon floats on the denser air. But an airplane relies on a wing moving through the air to create lower pressure on the top of the wing, so that air below pushes the wing up. hot air balloons require no movement.
What else can I help you with?
Are hot air balloons safer than planes?
No.
How do hot air balloons produce lift?
Hot Air
What vehicle that can floats in the air?
Hot air balloons, sail planes, kites.
Were there air planes during the civil war?
No. They had observation balloons.
What can you make fly?
You can't physicly fly, but you can ride in air planes and hot air balloons.
What is added to balloons and hot air balloons?
Balloons can be filled with air (don't float), or with hydrogen or helium (float because the gas is less dense). Hot air balloons use burners to heat the air so that it becomes slightly less dense than the cooler air around it, providing some lift.
How do air balloons lift off from the ground?
Balloons filled with Helium rise because Helium is less dense than normal air. Hot air balloons lift off the ground because heat rises, and when the balloon is full of air of a higher temperature than its surroundings, the balloon will rise.
What is the force that enables planes to stay in the air?
Lift
Why are hot air balloons not shaped as air planes?
Because air planes are kept in the air by the way air flows around and against their surfaces while a balloon is kept in the air by the air inside the balloon is lighter than the air outside it. Basically a balloon is floating in air. And a roundish shape is what allows the biggest volume inside for the least amount of surface area, meaning that you get the most lift from the least amount of cloth.
Is helium used in hot air balloons?
No, it is not. "Regular" air is used, and it is heated. Hot air is less dense than cooler air, and it will rise. If hot air is trapped in an envelope, it will give lift to the envelope and an attached payload.
Why do they make hot air balloons?
it is a old fashion way of traveling on air before they made planes and helicopters.
What are some stuff people jump out of?
cars, planes, trains, hot air balloons, beds...
