8 billion jump can move Earth!

What would actually happen if every single human being
on Earth jumped at the exact same moment?

Would it cause an earthquake? Would Earth move?
Would anything even happen at all?

The answer involves 4×10¹⁰ Newtons of force,
a magnitude 4.5 earthquake, one tiny American state,
and the most catastrophic logistics problem
in human history.

Spoiler: The Earth doesn't care. Not even a little.

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This video explores the real physics behind
one of the internet's most asked hypothetical questions,
using actual math and science.

Topics covered:
✔ How much force 8 billion people generate
✔ Why Earth wouldn't move even a hydrogen atom's width
✔ What a magnitude 4.5 earthquake actually feels like
✔ Why Rhode Island is the real problem here

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🤖 This video was created using AI-assisted tools
including AI-generated visuals and voiceover.

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usa video

#whatif #physics #science #hypothetical #earthscience

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What would happen if everyone on earth stood as close to each other as they could, jumped, and landed on the ground all at the same instant?

Randall Munroe is the author of the New York Times bestsellers What If? 2, How To, What If?, and Thing Explainer; the science question-and-answer blog What If?; and the popular web comic xkcd (https://xkcd.com). A former NASA roboticist, he left the agency in 2006 to draw comics on the internet full time.

Henry Reich is the creator of MinutePhysics and executive producer of MinuteEarth and MinuteFood and founder of Neptune Studios (the parent company for all three youtube channels).
What If? The Video Series is the official adaptation of the What If? books by Randall Munroe and is produced by Neptune Studios LLC.

©2024 xkcd, inc.

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