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Up

We are all familiar with the scene from Up, a few balloons, a little helium and the small, idyllic, house is freed from its conventional constraints and floats off into the sky…

Could this scene be recreated without the somewhat questionable Pixar physics? And, how many balloons would you actually need to set your own house free? The first thing we should determine is the relationship between the mass of the house and the lifting power of the balloons.

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The total mass of the things being lifted must be less than the total lifting power. We can expand this relationship further to include the mass of the individual balloons and strings attaching the balloons to the house. …

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Oliver Atwal

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