How come it’s easier to blow up bigger balloons than it is to blow up the small ‘water balloons’?

Question

You would think that our lungs, that have stronger muscles and more air capacity, would be able to push air into that tiny thing and make the smaller balloon expand, but the slightly bigger balloon is way easier.

In: Other

Answer 1

It’s all about the pressure we can exert. The air in the balloon exerts pressure on every square inch of the interior of the balloon. When the balloon is small, a bit of pressure applies very little force, as there are almost no square inches there to push on. A large balloon has a huge surface to push on and so the force is great, despite the pressure being the same.