Fundamental force - Revision history

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energy>Jmdonev at 02:59, 5 June 2026

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	<onlyinclude>At the most fundamental level, all the [[force]]s in the universe come from only four forces</onlyinclude> (as currently understood):		<onlyinclude>At the most fundamental level, all the [[force]]s in the universe come from only four forces</onlyinclude> (as currently understood):
	*the [[gravity\|gravitational force]]		*the [[gravity\|gravitational force]]
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	*the [[strong nuclear force]]		*the [[strong nuclear force]]

	These forces are known as ~~the~~ '''fundamental forces.''' Some theories link the electromagnetic and weak forces and call this the [http://hyperphysics.phy-astr.gsu.edu/hbase/forces/unify.html#c1 electroweak force]. Other theories attempt to unify the strong force as well and then have only [http://hyperphysics.phy-astr.gsu.edu/hbase/forces/unify.html#c5 two forces].		These forces are known as '''fundamental forces''', because we haven't found something that makes them up from something smaller or more fundamental. Some theories link the electromagnetic and weak forces and call this the [http://hyperphysics.phy-astr.gsu.edu/hbase/forces/unify.html#c1 electroweak force]. Other theories attempt to unify the strong force as well and then have only [http://hyperphysics.phy-astr.gsu.edu/hbase/forces/unify.html#c5 two forces].

	These forces combine to form the [[everyday force]]s in day to day life:		These four forces combine to form the [[everyday force]]s in day to day life:

	==Gravitational force==		==Gravitational force==

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Jmdonev at 15:07, 18 August 2017

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	<onlyinclude>At the most fundamental level, all the [[force]]s in the universe come from only four forces</onlyinclude> (as currently understood):		<onlyinclude>At the most fundamental level, all the [[force]]s in the universe come from only four forces</onlyinclude> (as currently understood):
	*the [[gravity\|gravitational force]]		*the [[gravity\|gravitational force]]
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	:''[[Strong nuclear force\|main article]]''		:''[[Strong nuclear force\|main article]]''
	On a small scale, the strong force is responsible for binding together the particles (quarks) that make up a [[proton]] or [[neutron]]. On a larger (but still very small) scale, the residual strong force is responsible for holding the [[nucleus\|nuclei]] of atoms together, despite nuclei containing many protons, which would otherwise repel strongly due to the electromagnetic force. This force is extremely powerful over short distances and is responsible for the massive energy stored in [[nuclear fuel]] and released in [[nuclear power]].		On a small scale, the strong force is responsible for binding together the particles (quarks) that make up a [[proton]] or [[neutron]]. On a larger (but still very small) scale, the residual strong force is responsible for holding the [[nucleus\|nuclei]] of atoms together, despite nuclei containing many protons, which would otherwise repel strongly due to the electromagnetic force. This force is extremely powerful over short distances and is responsible for the massive energy stored in [[nuclear fuel]] and released in [[nuclear power]].

			For more information on the fundamental forces, please see [http://hyperphysics.phy-astr.gsu.edu/hbase/Forces/funfor.html hyperphysics].

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

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J.williams at 22:43, 11 August 2015

2015-08-11T22:43:57Z

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[[Category:Done 2015-01-15 ]]
<onlyinclude>At the most fundamental level, all the [[force]]s in the universe come from only four forces</onlyinclude> (as currently understood):
*the [[gravity|gravitational force]]
*the [[electromagnetic force]]
*the [[weak nuclear force]]
*the [[strong nuclear force]]

These forces are known as the '''fundamental forces.''' Some theories link the electromagnetic and weak forces and call this the [http://hyperphysics.phy-astr.gsu.edu/hbase/forces/unify.html#c1 electroweak force]. Other theories attempt to unify the strong force as well and then have only [http://hyperphysics.phy-astr.gsu.edu/hbase/forces/unify.html#c5 two forces].

These forces combine to form the [[everyday force]]s in day to day life:

==Gravitational force==
:''[[Gravity|main article]]''
The gravitational force acts between all objects that have [[mass]]. It always attracts objects together, and although it is the weakest fundamental force, it has infinite range (it does get [[inverse square law|weaker]] with distance). The force of gravity pulls objects towards Earth, causing things to fall. It also keeps planets and moons in orbit. The force of gravity from our moon acting on the oceans causes [[tidal force|tides]]. This is also the dominant force that gives [[hydropower]] its energy.

==Electromagnetic force==
:''[[Electromagnetic force|main article]]''
Electromagnetic forces act between [[charge]]d particles. [[Coulomb's law|Opposite charges attract]], while objects with the same charge will repel each other. Many "everyday forces" are truly electromagnetic forces on an [[atom]]ic level added up to a large scale. For example, pushing a box exerts a force on it because the negatively charged [[electron]]s found in atoms in the hand pushing repel the negatively charged electrons in the atoms of the box. [[Electric field]]s and [[magnetic field]]s involve these interactions. Electromagnetism is responsible for many very important interactions, such as [[chemical bond]]ing.

==Weak nuclear force==
:''[[Weak nuclear force|main article]]''
The weak nuclear force converts [[proton]]s to [[neutron]]s in [[fusion]], or neutrons to protons in other nuclear reactions. It has very short range and is relatively weak. Modern physics has unified the electromagnetic and weak forces into the electroweak force.<ref>(2014, June 27). ''Electroweak Unification'' [Online]. Available: http://hyperphysics.phy-astr.gsu.edu/hbase/forces/unify.html#c1</ref> People continue to try to unify all of the forces in a [http://hyperphysics.phy-astr.gsu.edu/hbase/forces/unify.html#c5 grand unified theory].

==Strong nuclear force==
:''[[Strong nuclear force|main article]]''
On a small scale, the strong force is responsible for binding together the particles (quarks) that make up a [[proton]] or [[neutron]]. On a larger (but still very small) scale, the residual strong force is responsible for holding the [[nucleus|nuclei]] of atoms together, despite nuclei containing many protons, which would otherwise repel strongly due to the electromagnetic force. This force is extremely powerful over short distances and is responsible for the massive energy stored in [[nuclear fuel]] and released in [[nuclear power]].

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