It's an old trick question, world often confused mass and density and also assume stole is the correct answer.

You are watching: A kilogram of steel or a kilogram of feathers

Strictly speaking, a kilogram is no an unit that "heaviness", but of mass. Depending on your meaning of "heavy", a kilogram the steel deserve to be heavier. That's because a kilogram of feathers is larger, and thus more buyoant in the surrounding air.

For example, if the two sit top top a platform at sea level in the atmosphere, the stole kg exerts a greater pressure on the platform, or "feels heavier" for the platform.

For an example that much better shows the impacts of buyoancy: a kilogram that helium balloons vs a kilogram of steel.

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level 1
· 5y

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level 2
· 5y

WOS HEVEAH

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level 2
· 5y
Was a meme/popular video clip on Tumblr not also long earlier so really plausible.

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level 1
· 5y

It's a old trick question.

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· 5y
level 2
· 5y

That's the dumbest thing I've review in a while. The concern was "An oz of feather or an ounce of gold".

At no allude was it claimed "An oz of feathers and a trojan ounce the gold".

That's favor saying "What's heavier, an ounce of feathers or an oz of gold" and the answer gift "The feathers! Feathers are measured in tons, for this reason an ton-ounce of feathers is heavier".

A trojan ounce of feather is the exact same as a trojan ounce of yellow BTW, therefore the answer is the same.

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level 2
· 5y

Precious steels are weighed using Troy ounces

Except, ya know, as soon as they're not, choose in the context of this question. A range doesn't sense when you put precious metals on it and also convert indigenous the normal standard.

I'd tell girlfriend it's favor saying that a dozen doughnuts is more than a dozen eggs due to the fact that a baker's dozen is actually 13, however I'm concerned you'd agree v me, fairly than gain the point.

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level 1
· 5y

They space wrong. Or possibly referring come the feather an allegory where friend lie and they spread and you can never obtain them every back

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level 2
· 5y · edited 5y

They are wrong

Seriously relies on the context.

In a physics lesson "steel is heavier" will certainly be correct as result of several reasons.

Let's say the concern is "you've obtained steel with the mass of one kg and fathers with the exact same mass and also put lock on a scale right here on earth. I beg your pardon one weighs more?".

See more: Which Factor Contributed To The Spread Of The Great Depression Overseas? ?

Now come someone v grade school expertise if physics it's evident that it's a cheat question, yet to physicists it's apparent that buoyancy and also gravity both have an effect. (feathers need much more space, for this reason the facility of massive is additional away indigenous the center of fixed of earth compared to the facility of massive of steel)

tl;dr: it's a trick inquiry unless you study physics

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