"energy balances" . "energy conserving" . "conservative" . . . . "Conservation_of_energy" . "conservation of force" . "energy" . "1st law of thermodynamics" . . "temperature evolution equation" . "(relativistic) energy is conserved" . "energy balance" . "Law of conservation of energy" . "Conservation of energy: Historical development" . "conservation of energy" . "Conservation of energy" . . . . "conserving total energy" . "law of conservation of energy" . "conservation of electromagnetic energy" . . "Conservation of energy" . . "energy equivalent" . . "continuity of potential" . . . "conservation of average energy" . "conserved quantity" . "the law of conservation of energy" . . "exchange of energy" . "missing energy" . . "energy was not conserved" . "balance of energy" . "History of the conservation of energy principle" . . . . "conservation of total energy" . . "conserved" . . "energy conservation law" . . "energy is conserved" . "Energy conservation" . "mechanical equivalence" . . . "conservation of this energy" . . . "energy conservation" . "conservation" . "energy cycle" . "Energy Conservation" . . . . . . . . "thermal energy equation" . "Energy" . "conservation of mechanical energy" . "First Law" . . .