Why is the energy function not always equal to total energy?
42186
When is the Hamiltonian of a system not equal to its total energy?
89301
Is the total energy of the universe constant?
4143
How can momentum but not energy be conserved in an inelastic collision?
54113
Does the potential energy of a single object exist?
29728
Does the vacuum in QFT have nonzero energy or not?
24150
Newton's third law does not apply to the kinetic energy formula?
8163
Why is Gibbs Free Energy not equal to 0? Its definition itself makes it 0
53455
Relativistic speed/energy relation. Is this correct?
127393
When is temperature not a measure of the average kinetic energy of the particles in a substance?
59594
Binding energy and mass
104024
Does the mass of an electron change with its "energy state"?
53995
Explain difference between internal energy and enthalpy
155640
Why is the laboratory frame energy always greater than the center of mass frame energy?
156334
Why force $F$ is equal to $ma$ and not $mv$?
131166
Kinetic energy as $\pi k_B T$
48979
Work done by gravity on falling object does not seem to equal change in mechanical energy
115200
Why does energy have to be emitted in quanta?