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Chi-ga kun
Hakase! Is it true that the atmosphere has weight?
Hakase
Yeah, it’s true.
Chi-ga kun
!!!!!!!
Then why isn’t my body crushed!
Then why isn’t my body crushed!
Hakase
That’s a good point of view, Chigakun. It is very important to question the things around us. In this article, I will explain why your body is not crushed by air pressure!
When you learned about pressure or atmospheric pressure due to the weight of the atmosphere, have you ever wondered why our bodies are not crushed by air pressure?
This article will help you understand why.
In this article, we will learn with the guinea pigs why our bodies are not crushed by atmospheric pressure!
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Contents
Even air has weight
Chi-ga kun
Does the atmosphere really have weight? At least I don’t feel the weight of the atmosphere.
Hakase
Certainly people don’t feel the weight of the air, but the air has weight.
Hakase
The pressure caused by the weight of the atmosphere is called atmospheric pressure.
Chi-ga kun
I often hear about atmospheric pressure, but I didn’t know it was the pressure caused by the weight of the atmosphere!
Hakase
Yes. The unit of measurement is hPa (hectopascal).
The letter h (hecto) means 100, so 1 hPa is 100 Pa.
The letter h (hecto) means 100, so 1 hPa is 100 Pa.
Air pressure is applied from various directions
Chi-ga kun
Is there a connection between this and why my body is not crushed?
Hakase
That’s right. Let me add a few more things to explain why.
Hakase
Air pressure is not only applied from above, but also from all directions.
Chi-ga kun
What?
If that’s the case, my body will be crushed more and more, won’t it?
If that’s the case, my body will be crushed more and more, won’t it?
Why not crushed by air pressure?
Hakase
Don’t worry. It is true that air pressure is applied from all directions. However, pressure is applied not only from outside the body, but also from inside the body.
Hakase
The same amount of pressure pushes back from the inside of the body. This is how the balance is maintained.
Chi-ga kun
I had not considered the pressure pushing back from the inside of the body, so I mistakenly thought that the body would be crushed.
Hakase
That’s right. On the other hand, there are often TV experiments in which oil drums are crushed. That is because the air pressure inside the drum becomes smaller and the air pressure difference between the inside and outside becomes larger, causing the drum to collapse.
Chi-ga kun
I got it!
Summary
Hakase
In this article, I explained why the body is not crushed by air pressure. If you don’t know what air pressure is, you won’t even wonder about it, so first of all, praise yourself for wondering about it!
Chi-ga kun
I’m an intellectually curious person! (lol)
I’ll explore more questions around me!
Hakase! Thank you for today!
I’ll explore more questions around me!
Hakase! Thank you for today!
Thank you for reading to the end!
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