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Is Up realistic, analyzing Up with applied physics by Mind Map: Is Up realistic, analyzing Up with
applied physics
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Is Up realistic, analyzing Up with applied physics

Is a ballon being pulled up by balloons possible?

First observation

The baloon are stored in the house, Wrong!, After more observation it can been seen that the balloons were maybe in the back yard held down by some large tarps., If this was so, buoyancy force when objects displace air, The buoyancy force is equal to the weight of the fluid displaced., But how does this relate to the movie?

How many balloons would it take for a house to go up?

You need to figure out:

The size of the house., The mass of the house, he volume of the air displaced, The size of each balloon

Why doesn’t the balloon house keep rising?

It does doesnt it?

I thought it did just at a slower rate

buoyant force is not constant with altitude.

As the balloon rises, the density of the air decreases., At some point, the buoyant force and the weight are equal and the balloon, This is when it stops rising.

When the boy throws the GPS out the window, is it modeled correctly?

Video analysis

Tracker Video, Scale doesnt matter, Why is that?, If i put 1000 instead of 10 wouldn't it change the results, Not necessary to get the vertical acceleration, horizontal position should be a straight line, Why?, fit a quadratic function to the data

Conclusion

Not realstic

if they make nose hairs couldnt they use correct physics

Yes but this is a fiction that suspends reality, Having to use correct physics would limit Pixars stories.