While inflating a balloon, the entire air that was blown into the balloon escapes from its mouth when it is left open. This is because:

The air inside the balloon was exerting pressure in all directions.

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Of acceleration due to gravity.

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The air inside it was hot.

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None of these.

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Solution

The correct option is A
The air inside the balloon was exerting pressure in all directions.

The air inside the balloon exerts pressure on its wall.The pressure of the air in the balloon is greater than outside and due to this pressure difference, the entire air that was blown into the balloon escapes from its mouth when it is left open.

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While inflating a balloon, the entire air that was blown into the balloon escapes from its mouth when​ it​​​​​​ is left open. This is because:

While inflating a balloon, the entire air that was blown into the balloon escapes from its mouth when it is left open. This is because: