How can we define energy?
84458
What's the real fundamental definition of energy?
6592
if a body is stopped by means other than friction, where does energy go?
99735
Are there any theoretical limits on the energy of a photon?
1031
When does Hamiltonian equals to energy of the system?
136062
Can we get energy from the Earth's rotation?
42623
What is the relationship between force and kinetic energy?
122561
Is the energy always discrete?
28750
What is charge actually? How to define it?
16282
Coincidence, purposeful definition, or something else in formulas for energy
1376
The definition of entropy
128759
Why don't we define potential due to a magnetic field?
35939
Is fire matter or energy?
115428
Measures: Atom Definitions
120098
Work and Kinetic energy rely on each other which came first?
141320
Particle energy in general relativity?
2073
Conservation law of energy and Big Bang?
119004
Proof of conservation of energy?