/sci/ - Science & Math » Thread #10936971

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Anonymous Mon 02 Sep 09:03:42 2019 No.10936971 View Reply Original Report

Quoted By: >>10936976 >>10937008

How do we know that energy is **always** conserved?

How do we know that **any** two objects attract each other by force of gravity?

Anonymous

Anonymous Mon 02 Sep 2019 09:08:04 No.10936976 Report

Quoted By: >>10936987

>>10936971
We don't. But our observations imply it very strongly.

Anonymous

Anonymous Mon 02 Sep 2019 09:16:00 No.10936987 Report

Quoted By: >>10937006

>>10936976
What observations?

Anonymous

Anonymous Mon 02 Sep 2019 09:28:23 No.10937006 Report

Quoted By: >>10937032

>>10936987
... Most scientific observations to date?

Anonymous

Anonymous Mon 02 Sep 2019 09:29:50 No.10937008 Report

Quoted By:

>>10936971
The law of conservation of energy is an observed consistency, as are all other laws.
It will stop being a law when it is observed that energy isn’t conserved.

Anonymous

Anonymous Mon 02 Sep 2019 09:48:33 No.10937032 Report

Quoted By:

>>10937006
How do we observe that energy is conserved? Is there not also potential energy which we cannot measure.

Don't most scientific observations not involve measuring gravitational forces?

Anonymous

Anonymous Mon 02 Sep 2019 11:05:41 No.10937130 Report

Quoted By:

>How do we know that energy is **always** conserved?
It isn't *always* conserved. It works differently for some tiny things.

Anonymous

Anonymous Mon 02 Sep 2019 11:18:55 No.10937150 Report

Quoted By:

Noether's theorem. If physical laws are independent of time, then energy is conserved.

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