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...ref>Halliday, David, Resnick, Robert, and Walker, Jearl. [[Fundamentals of Physics]]. John Wiley & Sons, 2013.</ref> ...to another is, to a good approximation, linearly related to the difference in height (∆h): ...

{{Short description|Force which acts on an object without coming physically in contact with it}} ...force''' is a [[force]] which acts on an object without coming physically in contact with it.<ref name="gravity" >{{cite book ...

...'}}), as opposed to normal [[electric current|current]] (flow of [[charge (physics)|charge]]). It was originally postulated by [[Oliver Heaviside]]. It is als ...ess by which the energy is transferred. For instance, the flow of fuel oil in a pipeline could be considered as an energy current, although this would no ...

{{Short description|Time coordinate used in cosmology}} ...]] commonly used in the [[Big Bang]] models of [[physical cosmology]].<ref>In mathematical terms, a cosmic time on [[spacetime]] <math>M</math> is a [[Fi ...

...ains [[energy]] that can be later converted to other forms such as [[work (physics)|mechanical work]] or [[heat]] or to operate chemical or physical processes ...as usable energy later or somewhere else. This could be converted for use in, for example, an appliance or vehicle. Such carriers include [[spring (devi ...

This article summarizes [[equation]]s in the theory of [[fluid mechanics]]. ...reduction in flux passing through a surface can be visualized by reduction in '''F''' or d'''S''' equivalently (resolved into [[Euclidean vector#Decompos ...

...resses the [[epistemology]] of that which we ''cannot'' know. Some related concepts include the [[halting problem]], the limits of knowledge, the unknown unkno ...igh level categories, logical unknowability, conceptual unknowability, and in-principle unknowability. ...

{{for|centrifugal force more generally, including other concepts of it and its history|Centrifugal force}} In [[classical mechanics]], a '''reactive centrifugal force''' forms part of a ...

{{Short description|Overview of and topical guide to physics}} {{see also|Index of physics articles}} ...

...ote Sensing and Image Interpretation, 7th Edition Appendix A.. Radiometric Concepts, Terminology, and Units.png|alt=A flow chart describing the relationship of ...ncy is the watt per [[hertz]] ({{nobreak|W/Hz}}) and that of spectral flux in wavelength is the watt per metre ({{nobreak|W/m}})—commonly the watt per na ...

{{Short description|Hypothesis that physics experiments will behave the same regardless of when they are conducted}} ...5|publisher=Penguin Books Limited|isbn=978-1-84614-702-9|chapter=3}}</ref> In mathematics, the set of all time translations on a given system form a [[Li ...

...the 4th century BCE works of [[Aristotle]] (OUP V, 240, 1991) (including ''Physics'', ''Metaphysics'', ''[[Nicomachean Ethics]]''<ref>[https://www.perseus.tuf ...)|Thomas Young]] - the first to use the term "energy" in the modern sense, in 1802.]] ...

This article summarizes [[equation]]s in the theory of [[gravitation]].<!--for now just Newtonian gravitation and th ...ty. Centre of mass is the mathematical description of placing all the mass in the region considered to one position, centre of gravity is a real physical ...

{{Nuclear physics}} ...mmarizes [[equation]]s in the theory of [[nuclear physics]] and [[particle physics]].<!--very skimpy for now, will add much more soon--> ...

...ctral power distribution''' ('''SPD''') measurement describes the [[Power (physics)|power]] per unit [[area]] per unit [[wavelength]] of an [[illumination (li == Physics == ...

...tle=University Physics Volume 1 |url=https://openstax.org/books/university-physics-volume-1/pages/5-1-forces |website=openstax.org}}</ref> ...is called the '''[[resultant force]]''', which causes the object to rotate in the same way as all the forces acting upon it would if they were applied in ...

...title = Historical roots of gauge invariance|journal = [[Reviews of Modern Physics]]|volume = 73|issue = 3|pages = 663–680|year = 2001|doi = 10.1103/RevModPhy ...Lorenz gauge condition is used to eliminate the redundant spin-0 component in Maxwell's equations when these are used to describe a massless spin-1 quant ...

...ethodology but is rather something that "emerges as a process methodology" in the midst of traditional research.<ref name=":0">{{Cite journal |last=Mazze ...lso emphasizes the importance of positionality not only through disclosure in a [[positionality statement]] but as an active part of the research process ...

...mong the great [[List of unsolved problems in physics|unsolved problems of physics]], discussions of timeless universes revolve around proposed solutions to t ...philosopher in the 2nd century B.C., [[Critolaus|Kritolaos]].<ref>As found in [[Stobaeus|Stobaios]], quoting the work by [[Aetius (philosopher)|Aetios]] ...

[[File:F-35 Heritage Flight Team performs in Bell Fort Worth Alliance AirShow.jpg|upright=1.5|thumb|A [[Lockheed Martin ...third law]]. When a system expels or [[acceleration|accelerates]] [[mass]] in one direction, the accelerated mass will cause a force of equal [[magnitude ...