this post was submitted on 13 Apr 2024
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Science Memes

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[–] Chrobin@discuss.tchncs.de 12 points 6 months ago (15 children)

Gravity isn't a force tho...

[–] cynar@lemmy.world 8 points 6 months ago (2 children)

Knowledge is knowing that tomato is a fruit.

Wisdom is still not putting it in a fruit salad.

Gravity isn't a force. Its effects can be mapped to an equivalent pseudo force and used as such. Outside of general relativity, or Quantum mechanics discussions, gravity is a force.

[–] bwrsandman@lemmy.world 2 points 6 months ago (1 children)

But is it fundamental though?

[–] cynar@lemmy.world 5 points 6 months ago

We don't know. Right now, relativity and QM fundamentally disagree on what gravity is. Both are also hugely accurate in their predictions. QM treats it as a force comparable to EM or the strong force. GR says it's space itself moving. The force we experience is just a reaction to us trying to stay still, as space moves through us.

Beyond that, defining anything as fundamental is a challenge. How are you using fundamental?

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