What makes a balloon get inflated when air is filled in it? - Vidyadip

Question

What makes a balloon get inflated when air is filled in it?

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Answer

When we filled air in the balloon, the inside pressure in the balloon increases and thereby the surface area of balloon increases. Thus the force acting by air molecule inside outward and the force acting by air from outside inward equals. This balancing force tend to make a balloon get inflated when air is filled in it.

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