this post was submitted on 03 Nov 2024
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Science Memes

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Tap for spoilerThe bowling ball isn’t falling to the earth faster. The higher perceived acceleration is due to the earth falling toward the bowling ball.

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[–] BB84@mander.xyz 2 points 3 weeks ago* (last edited 3 weeks ago) (1 children)

A feather has smaller cross-section area than a bowling ball. But drag acceleration is proportional to the cross-section area divided by the mass (and this quantity is indeed smaller for the bowling ball).

Anyway the hypothetical scenario in this meme is a perfect vacuum. Check my other comments to see why it still works.

[–] aberrate_junior_beatnik@midwest.social 3 points 3 weeks ago (1 children)

A feather has smaller surface area than a bowling ball.

Depends on the feather and the bowling ball. Even relatively small (by volume) feathers might outdo a bowling ball thanks to the numerous fine shapes they have.

[–] BB84@mander.xyz 1 points 3 weeks ago (1 children)

I meant cross-section area, not surface area. Sorry. Edited my comment above.

[–] aberrate_junior_beatnik@midwest.social 1 points 3 weeks ago (1 children)

An average bowling ball is 8.5 inches in diameter, giving it a cross sectional surface area of roughly 60 sq in. Restricting ourselves to feathers made by non-human animals, the longest feather measured was on a Yokohama chicken at 34 feet / 400+ inches. I can't find the width of the feather, but it's still likely it outdoes an average bowling ball.

[–] BB84@mander.xyz 2 points 3 weeks ago

That is one very impressive feather.

Restricting ourselves to feathers made by non-human animals

🤔🤔🤔