why gravity is not applied on flame of candle
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Answer:
Explanation:
When the wick of candle starts to burn by the combustion of fuel with oxygen, heat is liberated. This liberated heat warms up the burning gases and combustion products. This hot air, being less dense, rises up and the cold air rushes in to occupy that vacant place. As cold air is heavier, it stays. This form of motion of air is called convection and this is what keeps the flame upright and elongated when the candle is lit in the presence of gravity.
flame of candle on earth are anchored by gravity, but the combustion gases are hot and light, so they rise. As the flame goes up, more air is sucked into the base of the fire, feeding more oxygen to the fire and making it burn more strongly
Fires can happen inside a contained, oxygenated environment in space, but they don't behave the way they do on Earth. The Earth's gravity imposes a lot of conditions on fire that wouldn't happen in microgravity or zero g. Here's why astronauts can't burn a candle at both ends.
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