Where does potential energy come from?
3471
Why does holding something up cost energy while no work is being done?
47933
Where does tidal energy come from?
5145
From where (in space-time) does Hawking radiation originate?
5891
Where does gravitational waves' energy go?
59491
How, on a physical level, does ATP confer energy?
129980
Does potential energy in gravitationall field increase mass?
142320
Where does the energy for osmosis come from?
67701
The energy of an electromagnetic wave
80190
Why does it make any physical sense for a body to have negative potential energy?
131167
Kinetic energy of the object, but Potential energy of the system: Why is it so?
136834
Electric potential - different definitions
21256
If energy can neither be created nor be destroyed,what is the ultimate source of energy?
106538
Why are thermodynamic potentials minimised?
153087
How does electricity produce heat, and where do the electrons go?
37291
Why does the branch cut of the self-energy begin at $2m$?
84458
What's the real fundamental definition of energy?
44817
Lower bound on energy is potential minimum