(n) Weber's law
(n) Gresham's Law ("when there is a legal tender currency, bad money drives good money out of circulation")
(n) Stokes' law
(n) de Morgan's laws
(n) Faraday's law
(n) Fechner's law
(n) Fleming's rules (Fleming's left-hand rule & Fleming's right-hand rule)
(n) Murphy's Law ("Whatever can go wrong, will go wrong")
(n) law of conservation of momentum
(n) action-reaction law (Newton's third law of motion)
(n) zeroth law of thermodynamics
(n) first law of thermodynamics
(n) second law of thermodynamics
(n) third law of thermodynamics
(n) first law of thermodynamics
(n) third law of thermodynamics
(n) second law of thermodynamics
(n) zeroth law of thermodynamics
(n) Kirchhoff's law
(n) Parkinson's law
(n) Biot-Savart law
(n) Benford's law
(n) (obsc) Le Chatlier's law
(n) law of conservation of angular momentum
(n) law of equimarginal utility
(n) law of diminishing marginal utility
(n) law of conservation of energy
(n) Gay-Lussac's law
(n) Gay-Lussac's law
(n) Dulong-Petit law