this post was submitted on 12 Nov 2025
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Science Memes

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[–] ch00f@lemmy.world 23 points 1 week ago* (last edited 1 week ago) (17 children)

-40C = -40F

Also 0lbs does not equal 0kg when there’s no gravity.

[–] FiskFisk33@startrek.website 19 points 1 week ago (2 children)

huh?

Mass doesnt change with gravity

[–] ramenshaman@lemmy.world 15 points 1 week ago* (last edited 1 week ago) (1 children)

Typically, lbs is not mass, it's weight/force.

[–] FiskFisk33@startrek.website 12 points 1 week ago* (last edited 1 week ago) (1 children)

isn't that lbf?

The pund itself is defined as 0.45359237 Kg

[–] ramenshaman@lemmy.world 7 points 1 week ago (1 children)

Lbs can be lbf or lbm, but usually is referring to lbf, which is 0.4536 kg at 1g.

[–] FiskFisk33@startrek.website 8 points 1 week ago

when comparing to kg I will assume the mass unit, since comparing a mass value to a force has no meaning.

[–] KeenFlame@feddit.nu 1 points 1 week ago (1 children)

And temperature doesn't change with pressure

[–] Lemminary@lemmy.world 1 points 1 week ago

I'm not sure if you're joking, but it does. PV=nRT

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