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Coriolis Carousel: Demo
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- Опубліковано 21 сер 2023
- This video shows how the Coriolis force can be seen and felt on a rotating platform, called the Utah State University Coriolis Carousel. As seen by riders on this carousel, balls that are passed between them and dumbbells that they thrust forward are deflected sideways. Discussed are: (a) applications for motion on the earth's surface, (b) how this force arises when transforming Newton's second law into a rotating frame of reference, and (c) the quandary in naming this force.
The USU Coriolis Carousel was designed and built by Boyd Edwards, John Edwards, and Reynold Edwards for a Science Unwrapped lecture on January 19, 2024 sponsored by the USU College of Science. The carousel is robust, collapsible, and portable, and can be used on any smooth, flat surface without damage to the surface. Boyd and John respectively teach physics and computer science at USU, and Reynold owns Rapture Audio.
We gratefully acknowledge support and encouragement from Lauren Anderson, Michelle Baker, Dana Chambers, Vanessa Chambers, James Coburn, Megan French, Mary-Ann Muffoletto, Greg Podgorski, Lisa Poulsen, Charles Torre, and Jan Sojka of USU; and Cori Stromberg of Triangle Manufacturing. For assistance in shooting the video, we gratefully acknowledge Aiden, Amy, Angie, Elanor, Isabelle, Jocelyn, Nadine, Olivia, and Sadie Edwards.
Established in 2009, Science Unwrapped is a series of monthly science outreach events featuring lectures followed by hands-on learning activities and refreshments, and held on the USU campus in Logan, Utah. Inquiring minds of all ages are invited to learn about the wonders, the joys, the mishaps, the fun, the unexpected detours, and the excitement of scientific discovery (www.usu.edu/sc....
For more information, see:
Coriolis Carousel playlist: • Coriolis Carousel
Hurricane Florence: en.wikipedia.o... and commons.wikime...
Cyclone Idai: en.wikipedia.o...
James Bond Centrifuge Comic: www.explainxkc...
James Bond Centrifuge Video Clip (from Moonraker): • MOONRAKER - BOND IN TH...
This video provided the original inspiration for the design of the USU Coriolis Carousel: • Coriolis Effect | Nati... .
On the (important) effect of the Coriolis force on tropical storms:
education.nati...
On the (negligible) effect of the Coriolis force on water flowing into a drain: • Which way does water s...
Coriolis Visualization Software (CorioVis): edwardsjohnmar...
Publications:
Forces and conservation laws for motion on earth's surface: doi.org/10.111...
Geodetic model for motion on earth's surface: doi.org/10.108...
Trajectory classification for motion on the earth's surface: doi.org/10.106...
Love from India 🇮🇳🇮🇳 professor 🙏❤️
Great video, simple and clear. Thanks
The dumbell is exercising a different force. As it moves closer to the center of rotation it moves faster. A similar thing happens when figure skaters pull their arms in while spinning.
Yes it is not a fictitious force at all but we all read this in high school as a pseudo force. Thanks for this amazing demo🙏
Thank you so much for the demo
Great effort 👌
Great efforts 🎉
Thanks for your video sir Great explanation
Great content!
Gracias.
Thanks for the Amazing video sir,😇😇😇
For snipers Coriolis and Eötvös effect.
Don't know what's up with the rude comments and stereotyping...
Jocelyn FRIGGIN RULES!!!!
I’d thrust the dumbbell straight I’m strong enough to break physics
This whole situation makes me extremely uncomfortable.
Hello from India 🇮🇳🇮🇳🇮🇳🇮🇳👋👋
i love you
But I thought if it had the same momentum, it would work differently, Like if you are walking and throw up a ball, it will travel with you and inside your hand .
You're right, and believe it or not that's exactly what's happening! The difference you see here and if you were to, let's say, throw a ball up while driving straight down a road, is that the force applied when the object shoots out is not the same as the rotating motion that the children are experiencing. Instead, the force is pushing the object in the direction that the child was going at the precise moment it left their hands, which would send the object straight outside the circle.
Picture a shepherd's sling from ancient times, these men used this exact same idea to their advantage. They place a bullet into the sling's pouch and spin it in circles around them, storing a great deal of momentum into a small area, before letting the bullet loose at a precise moment. What happens to the bullet after it leaves the pouch? Does it fly in a circular curve around the man? No, it flies straight out. In fact, in the hands of a skilled slinger they can fly so impressively exact that its holder can aim with deadly precision against targets hundreds of meters away (when accounting for the downward pull of gravity).
Where does the video's coriolis explanation come into play with this? Imagine this same scenario, except that you were the sling's pouch, holding the bullet as the sling is spinning. The moment the bullet leaves your grasp, we already know it will fly straight out, but what you will see from your perspective as the pouch is the bullet sharply turning as soon as it leaves the pull of your grasp.
If the slinger were to keep spinning his sling, and therefore the pouch in perfect circles after the bullet leaves your grasp, then from your perspective it would look like the bullet is continually drawing circles around you as it flies away. Because you're still spinning, and the bullet is not.
Still can't drink caffeine huh
wonder what else happens in that house
Old people inviting teenagers over... dont probably wanna know but should be investigated.
@@Z-e-r-0 those are his students probably.
@@Z-e-r-0 damn that was a quick assumption they r jus his students
This proves the earth is flat and does not rotate.
How?
It sure does...now for the mass, they have listened to too many lies that the lies have become real for them, when in reality the lies are still lies but no longer can the mass see the truth when it is given.
It sure does and the sad thing is the majority are past the point of return, no matter the truth shown, the dumbed down will remain dumbed down unless God opens their eyes to see but even with that, when in doubt of God, dumbness will remain.
So you didnt understand anything. Perspective. Also momentum.