Fire contacting with the air inside the balloon. The heated air within the balloon is less dense than the ambient air surrounding it, therefore for the given volume it is lighter and so rises.
heat
Increasing the temperature inside the hot air balloon causes the air inside to become less dense than the surrounding cooler air. This density difference creates buoyancy, making the balloon rise faster.
A hot air balloon flies because hot air inside the balloon is less dense than the cooler air outside. This temperature difference creates lift, allowing the balloon to rise and float in the air. By controlling the temperature of the air inside the balloon, the pilot can control the balloon's ascent and descent.
Hot air balloons use hot air because hot air rises above cold air. The air inside the balloon is heated above the temperature of the air outside the balloon. The warmer air trapped inside the balloon then causes the balloon to float above the outside colder air.
A hot air balloon stays afloat because hot air inside the balloon is less dense than the surrounding cooler air, creating lift. As the air inside the balloon is heated, it expands and becomes lighter, causing the balloon to rise. By controlling the amount of hot air in the balloon, the pilot can control the altitude.
heat
A balloon needs hot air to make it rise because hot air is less dense than cold air. When the air inside the balloon is heated, it becomes lighter and causes the balloon to lift off the ground and float in the air.
Erm.. no.. i believe its Buoyancy... this force causes u the hot air balloon to rise.. not Gravity..
Hot air balloons rise because heated air inside the balloon is lighter than the cooler air outside. This difference in air density creates lift, allowing the balloon to float upward. King Tut Balloons offers this magical experience over Luxor’s skies.
A hot air balloon can stay in the air because the hot air is less dense than cool air. The hot air that is blown into the balloon causes it to rise and a burner is used to heat the air inside of the balloon to keep it floating.
if you mean how the hot air in a hot air balloon makes it rise, its because hot air is less dense than cold air. when cold and hot air meet the cold air sinks thus making hot air left to rise.so when you put hot air in a balloon the air would rise. hope this helps.
Hot air balloons rise because when the air inside the balloon is heated, it becomes less dense than the surrounding cooler air. This difference in density creates lift, causing the hot air balloon to float upward.
Increasing the temperature inside the hot air balloon causes the air inside to become less dense than the surrounding cooler air. This density difference creates buoyancy, making the balloon rise faster.
A hot air balloon rises in the sky because the air inside the balloon is heated, making it less dense than the surrounding air. This causes the balloon to float upwards, as the less dense hot air inside the balloon is lifted by the denser, cooler air outside.
with out the hot air the balloon would not rise
Friction between the hot air inside the balloon and the balloon envelope helps to create lift by making the balloon envelope less dense than the surrounding air. This difference in density causes the balloon to rise.
A hot air balloon flies because hot air inside the balloon is less dense than the cooler air outside. This temperature difference creates lift, allowing the balloon to rise and float in the air. By controlling the temperature of the air inside the balloon, the pilot can control the balloon's ascent and descent.