Here's a Question! - Big Balloon, Small Balloon
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- Опубликовано: 26 сен 2024
- Two balloons are inflated with air, one much more than the other. The balloons are attached to a piece of PVC pipe and a clothespin is used to pinch the small balloon closed. What happens when the clothespin is removed?
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#airpressure #balloons #heresaquestion
I finally got one right. Blowing up a few balloons in my life, I noticed how getting that first breath into the balloon is the most difficult, and it becomes easier after that. My idea of what is happening is that the thickness of the skin of the balloon is the greatest just before it begins to inflate. As the inflation progresses, the skin thickness decreases. So as material thickness decreases, the force necessary to stretch it also would decrease. This force translates to pressure inside of a vessel. Like you said the pressure equalizes when the clamp is removed so the air in the small balloon passes into the larger one until the pressure equalizes. Can you check me on this?
At first I thought this is too easy. Then when it did the opposite of what I thought would happen I couldn't believe it. Thanks for another great video.
We need the outtakes of inflating balloons and attaching them to the pipe.
Actually, that was surprisingly easy to do. The big one can be inflated while it's on the pipe (and then clamped off with a clothespin when it's large enough) and the small one is easy enough to handle once its clothespin is on.
That is very unintuitive. Even now after just watching it, it still hard to believe.
Yeah, just by the looks of it, it doesn't seem like that's what should happen.
D! Seen it, done it. No question. Higher pressure feeds lower pressure
This surprised me because I didn't realize that a balloon had higher tension when small vs when large. I had thought the tension increased as it was inflated, because the balloon when large feels more firm when squeezed than the balloon when small. Is that firmness a different property than the tension that this video shows is responsible for emptying the smaller balloon?
In the large balloon the pressure is able to equalise to P atm quickly compared to the ssmaller one ...but if excess air would blow into the bigger balloon then the bigger balloon would burst due to the increase in sudden pressure inside compared to outside....
Hello sir you have any idea which oxygen name is OIW8 oxygen
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