Coulomb's law - Revision history

Jmdonev: 1 revision imported

2026-08-04T20:43:53Z

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energy>Jmdonev at 18:53, 29 July 2026

2026-07-29T18:53:00Z

← Older revision		Revision as of 18:53, 29 July 2026
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	[[Category:Done ~~2018~~-06-15]]		[[Category:Done 2026-08-01]]
	[[File:CoulombsLaw.png\|\|350px\|thumbnail\|right\|Like charges have a force that pushes them further apart, unlike particles are atractive.<ref>[Accessed: 5-Jan-2018].By CoulombsLaw.svg: User:Dna-Dennis derivative work: RJB1 (CoulombsLaw.svg) [CC BY 3.0 (http://creativecommons.org/licenses/by/3.0)], via Wikimedia Commons (Accessed January 5th, 2018)</ref>]]		[[File:CoulombsLaw.png\|\|350px\|thumbnail\|right\|Like charges have a force that pushes them further apart, unlike particles are atractive.<ref>[Accessed: 5-Jan-2018].By CoulombsLaw.svg: User:Dna-Dennis derivative work: RJB1 (CoulombsLaw.svg) [CC BY 3.0 (http://creativecommons.org/licenses/by/3.0)], via Wikimedia Commons (Accessed January 5th, 2018)</ref>]]
	<onlyinclude>'''Coulomb's law''' states that "like charges repel, and unlike charges attract," but the more complete form determines the strength of the Coulomb force; Coulomb's law shows how strong the push or pull (the [[force]]) is between two points of [[charge]], like a [[proton]] and [[electron]] in an [[atom]]. </onlyinclude>Coulomb's law is the simplest case of the [[electromagnetic force]], one of the four [[fundamental force]]s. Most [[everyday force]]s like [[friction]], the [[normal force]], and [[air drag]] are residual forms of the Coulomb force (all of the charges add up to a complicated situation that leaves the friction between two surfaces, for example). Mathematically, Coulomb's law is very similar to Newton's law of [[gravitational force\|gravity]]:		<onlyinclude>'''Coulomb's law''' states that "like charges repel, and unlike charges attract," but the more complete form determines the strength of the Coulomb force; Coulomb's law shows how strong the push or pull (the [[force]]) is between two points of [[charge]], like a [[proton]] and [[electron]] in an [[atom]]. </onlyinclude>Coulomb's law is the simplest case of the [[electromagnetic force]], one of the four [[fundamental force]]s. Most [[everyday force]]s like [[friction]], the [[normal force]], and [[air drag]] are residual forms of the Coulomb force (all of the charges add up to a complicated situation that leaves the friction between two surfaces, for example). Mathematically, Coulomb's law is very similar to Newton's law of [[gravitational force\|gravity]]:
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	The electric force pushing two protons in a [[nucleus]] apart is enormous compared to the gravitational force, about 10<sup>41</sup> times larger (that's 100 000 000 000 000 000 000 000 000 000 000 000 000 000x larger). Coulomb's law inside the [[nucleus]] of atoms is what led scientists to postulate the [[strong force]] to hold the nuclei together, which is even stronger than the Coulomb force at short distances. This very short range of the strong nuclear force is what makes it so difficult to derive energy from nuclear [[fusion]] on Earth. The pushing apart of protons creates what's known as the [[Coulomb barrier]].		The electric force pushing two protons in a [[nucleus]] apart is enormous compared to the gravitational force, about 10<sup>41</sup> times larger (that's 100 000 000 000 000 000 000 000 000 000 000 000 000 000x larger). Coulomb's law inside the [[nucleus]] of atoms is what led scientists to postulate the [[strong force]] to hold the nuclei together, which is even stronger than the Coulomb force at short distances. This very short range of the strong nuclear force is what makes it so difficult to derive energy from nuclear [[fusion]] on Earth. The pushing apart of protons creates what's known as the [[Coulomb barrier]].

			==PhET Simulation on Forces==
			The [https://phet.colorado.edu/ University of Colorado] has graciously allowed us to use the following PhET simulation. This simulation demonstrates how charges create and respond to forces.

			<html><iframe src="https://phet.colorado.edu/sims/html/coulombs-law/latest/coulombs-law_en.html"
			width="800"
			height="600"
			allowfullscreen>
			</iframe></html>

	To learn more about the Coulomb force and Coulomb's law please see [http://hyperphysics.phy-astr.gsu.edu/hbase/electric/elefor.html hyperphysics].		To learn more about the Coulomb force and Coulomb's law please see [http://hyperphysics.phy-astr.gsu.edu/hbase/electric/elefor.html hyperphysics].

			== For Further Reading ==
			For further information please see the related pages below:
			*[[Strong force]]
			*[[Weak force]]
			*[[Potential energy]]
			*Or explore a [[Special:Random\|random page]]

	==References==		==References==
	{{reflist}}		{{reflist}}
	[[Category:Uploaded]]		[[Category:Uploaded]]

Jmdonev: 1 revision imported

2018-06-25T14:30:30Z

1 revision imported

← Older revision	Revision as of 14:30, 25 June 2018
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Jmdonev at 01:44, 9 June 2018

2018-06-09T01:44:03Z

← Older revision		Revision as of 01:44, 9 June 2018
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	~~[[Category:Needs citations]]~~		[[Category:Done 2018-06-15]]
	[[Category:Done ~~2017~~-12-31]]
	[[File:CoulombsLaw.png\|\|350px\|thumbnail\|right\|Like charges have a force that pushes them further apart, unlike particles are atractive.<ref>[Accessed: 5-Jan-2018].By CoulombsLaw.svg: User:Dna-Dennis derivative work: RJB1 (CoulombsLaw.svg) [CC BY 3.0 (http://creativecommons.org/licenses/by/3.0)], via Wikimedia Commons (Accessed January 5th, 2018)</ref>]]		[[File:CoulombsLaw.png\|\|350px\|thumbnail\|right\|Like charges have a force that pushes them further apart, unlike particles are atractive.<ref>[Accessed: 5-Jan-2018].By CoulombsLaw.svg: User:Dna-Dennis derivative work: RJB1 (CoulombsLaw.svg) [CC BY 3.0 (http://creativecommons.org/licenses/by/3.0)], via Wikimedia Commons (Accessed January 5th, 2018)</ref>]]
	<onlyinclude>'''Coulomb's law''' states that "like charges repel, and unlike charges attract," but the more complete form determines the strength of the Coulomb force; Coulomb's law shows how strong the push or pull (the [[force]]) is between two points of [[charge]], like a [[proton]] and [[electron]] in an [[atom]]. </onlyinclude>Coulomb's law is the simplest case of the [[electromagnetic force]], one of the four [[fundamental force]]s. Most [[everyday force]]s like [[friction]], the [[normal force]], and [[air drag]] are residual forms of the Coulomb force (all of the charges add up to a complicated situation that leaves the friction between two surfaces, for example). Mathematically, Coulomb's law is very similar to Newton's law of [[gravitational force\|gravity]]:		<onlyinclude>'''Coulomb's law''' states that "like charges repel, and unlike charges attract," but the more complete form determines the strength of the Coulomb force; Coulomb's law shows how strong the push or pull (the [[force]]) is between two points of [[charge]], like a [[proton]] and [[electron]] in an [[atom]]. </onlyinclude>Coulomb's law is the simplest case of the [[electromagnetic force]], one of the four [[fundamental force]]s. Most [[everyday force]]s like [[friction]], the [[normal force]], and [[air drag]] are residual forms of the Coulomb force (all of the charges add up to a complicated situation that leaves the friction between two surfaces, for example). Mathematically, Coulomb's law is very similar to Newton's law of [[gravitational force\|gravity]]:
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	To learn more about the Coulomb force and Coulomb's law please see [http://hyperphysics.phy-astr.gsu.edu/hbase/electric/elefor.html hyperphysics].		To learn more about the Coulomb force and Coulomb's law please see [http://hyperphysics.phy-astr.gsu.edu/hbase/electric/elefor.html hyperphysics].
			==References==
			{{reflist}}
	[[Category:Uploaded]]		[[Category:Uploaded]]
	~~[[category: Mark edit]]~~

Jmdonev: 1 revision imported

2018-04-14T21:17:35Z

1 revision imported

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Jmdonev at 02:58, 6 January 2018

2018-01-06T02:58:10Z

← Older revision		Revision as of 02:58, 6 January 2018
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	[[Category:Needs citations]]		[[Category:Needs citations]]
	[[Category:Done ~~2015~~-06-01]]		[[Category:Done 2017-12-31]]
			[[File:CoulombsLaw.png\|\|350px\|thumbnail\|right\|Like charges have a force that pushes them further apart, unlike particles are atractive.<ref>[Accessed: 5-Jan-2018].By CoulombsLaw.svg: User:Dna-Dennis derivative work: RJB1 (CoulombsLaw.svg) [CC BY 3.0 (http://creativecommons.org/licenses/by/3.0)], via Wikimedia Commons (Accessed January 5th, 2018)</ref>]]
	<onlyinclude>'''Coulomb's law''' states that "like charges repel, and unlike charges attract," but the more complete form determines the strength of the Coulomb force; Coulomb's law shows how strong the push or pull (the [[force]]) is between two points of [[charge]], like a [[proton]] and [[electron]] in an [[atom]]. </onlyinclude>Coulomb's law is the simplest case of the [[electromagnetic force]], one of the four [[fundamental force]]s. Most [[everyday force]]s like [[friction]], the [[normal force]], and [[air drag]] are residual forms of the Coulomb force (all of the charges add up to a complicated situation that leaves the friction between two surfaces, for example). Mathematically, Coulomb's law is very similar to Newton's law of [[gravitational force\|gravity]]:		<onlyinclude>'''Coulomb's law''' states that "like charges repel, and unlike charges attract," but the more complete form determines the strength of the Coulomb force; Coulomb's law shows how strong the push or pull (the [[force]]) is between two points of [[charge]], like a [[proton]] and [[electron]] in an [[atom]]. </onlyinclude>Coulomb's law is the simplest case of the [[electromagnetic force]], one of the four [[fundamental force]]s. Most [[everyday force]]s like [[friction]], the [[normal force]], and [[air drag]] are residual forms of the Coulomb force (all of the charges add up to a complicated situation that leaves the friction between two surfaces, for example). Mathematically, Coulomb's law is very similar to Newton's law of [[gravitational force\|gravity]]:

	<m>F = \frac{k_e Q_1 Q_2}{r^{2}}</m>		<math>F = \frac{k_e Q_1 Q_2}{r^{2}}</math>

	*<m>F</m> is the force between the charges		*<math>F</math> is the force between the charges
	*<m>k_e</m> is Coulomb's constant and is 8.99 x 10<sup>9</sup> [[newton\|N]] [[meter\|m]]<sup>2</sup>/[[coulomb\|C]]<sup>2</sup>; this is related to the [[permittivity of free space]]		*<math>k_e</math> is Coulomb's constant and is 8.99 x 10<sup>9</sup> [[newton\|N]] [[meter\|m]]<sup>2</sup>/[[coulomb\|C]]<sup>2</sup>; this is related to the [[permittivity of free space]]
	*<m>Q_1</m> and <m>Q_2</m> are the two charges (in [[coulomb]]s)		*<math>Q_1</math> and <math>Q_2</math> are the two charges (in [[coulomb]]s)
	*<m>r</m> is the distance between the charges (in [[meter]]s)		*<math>r</math> is the distance between the charges (in [[meter]]s)

	The law states that the electric force of one charge on another depends on the magnitude of the charges, and the square of the distance r between them.		The law states that the electric force of one charge on another depends on the magnitude of the charges, and the square of the distance r between them.
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	To learn more about the Coulomb force and Coulomb's law please see [http://hyperphysics.phy-astr.gsu.edu/hbase/electric/elefor.html hyperphysics].		To learn more about the Coulomb force and Coulomb's law please see [http://hyperphysics.phy-astr.gsu.edu/hbase/electric/elefor.html hyperphysics].
	[[Category:Uploaded]]		[[Category:Uploaded]]
			[[category: Mark edit]]

J.williams: 1 revision imported

2015-08-26T21:30:57Z

1 revision imported

← Older revision	Revision as of 21:30, 26 August 2015
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J.williams at 16:53, 12 August 2015

2015-08-12T16:53:00Z

New page

[[Category:Needs citations]]
[[Category:Done 2015-06-01]]
<onlyinclude>'''Coulomb's law''' states that "like charges repel, and unlike charges attract," but the more complete form determines the strength of the Coulomb force; Coulomb's law shows how strong the push or pull (the [[force]]) is between two points of [[charge]], like a [[proton]] and [[electron]] in an [[atom]]. </onlyinclude>Coulomb's law is the simplest case of the [[electromagnetic force]], one of the four [[fundamental force]]s. Most [[everyday force]]s like [[friction]], the [[normal force]], and [[air drag]] are residual forms of the Coulomb force (all of the charges add up to a complicated situation that leaves the friction between two surfaces, for example). Mathematically, Coulomb's law is very similar to Newton's law of [[gravitational force|gravity]]:

<m>F = \frac{k_e Q_1 Q_2}{r^{2}}</m>

*<m>F</m> is the force between the charges
*<m>k_e</m> is Coulomb's constant and is 8.99 x 109 [[newton|N]] [[meter|m]]2/[[coulomb|C]]2; this is related to the [[permittivity of free space]]
*<m>Q_1</m> and <m>Q_2</m> are the two charges (in [[coulomb]]s)
*<m>r</m> is the distance between the charges (in [[meter]]s)

The law states that the electric force of one charge on another depends on the magnitude of the charges, and the square of the distance r between them.

The electric force pushing two protons in a [[nucleus]] apart is enormous compared to the gravitational force, about 1041 times larger (that's 100 000 000 000 000 000 000 000 000 000 000 000 000 000x larger). Coulomb's law inside the [[nucleus]] of atoms is what led scientists to postulate the [[strong force]] to hold the nuclei together, which is even stronger than the Coulomb force at short distances. This very short range of the strong nuclear force is what makes it so difficult to derive energy from nuclear [[fusion]] on Earth. The pushing apart of protons creates what's known as the [[Coulomb barrier]].

To learn more about the Coulomb force and Coulomb's law please see [http://hyperphysics.phy-astr.gsu.edu/hbase/electric/elefor.html hyperphysics].
[[Category:Uploaded]]