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How do you test if air has weight?

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Anonymous

15y ago
Updated: 8/18/2019

A method we used at university is quite simple.

Take a very large inflatable ( we had a giant beach ball r = 3.5m).

Use a pump to extract all air from it.

Use precision scales top weigh the empty inflatable.

Fill the inflatable with "air" using a pump (not your mouth!!)

Again weigh the inflatable.

You should notice a slight increase in the weight of the ball.

It is possible to calculate the weight from the volume and the known values for the weight of air. This experiment is very basic and will never give you an accurate reading due to pressure on the ball when inflated etc.. but it is simple and shows something is there

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Wiki User

15y ago

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