Does energy exist, or is it just a relationship between other fundamental things?
8178
What Is Energy? Where did it come from?
94778
Why can't I do this to get infinite energy?
2073
Conservation law of energy and Big Bang?
30883
Why can't energy be created or destroyed?
44040
Is energy really conserved?
89301
Is the total energy of the universe constant?
21256
If energy can neither be created nor be destroyed,what is the ultimate source of energy?
47736
Does anything you can think of exist?
155558
If energy is only defined up to a constant, can we really claim that ground state energy has an absolute value?
147954
Relation between power and energy
42186
When is the Hamiltonian of a system not equal to its total energy?
96324
Does everything with mass or energy have a gravitational pull?
29928
Is kinetic energy a relative quantity? Will it make inconsistent equations when applying it to the conservation of energy equations?
17427
Is Pauli-repulsion a "force" that is completely separate from the 4 fundamental forces?
22490
Does it take energy to move something in a circle?
29728
Does the vacuum in QFT have nonzero energy or not?
115200
Why does energy have to be emitted in quanta?