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The '''fundamental forcesinteractions''' are the 4 ways in which [[particleSubatomic Particle|subatomic particles]]s may interact with affect one another.

===About Fundamental ForcesInteractions===: The '''fundamental forcesinteractions''' can cause [[particleSubatomic Particle|subatomic particles]]s to change direction or change from one [[particleSubatomic Particle|subatomic particles]] into anotherone or more other Subatomic [[Subatomic Particle|subatomic particles]].: During the interactions caused by '''fundamental forcesinteractions''' certain properties of [[particleSubatomic Particle|subatomic particles]]s are conserved, including [[Conservation of Baryon Number|baryon number]], [[Conservation of Lepton Number|lepton number]], [[Electrical Charge|charge]] and [[strangeness]] (which is conserved in the [[Strong Nuclear Interaction|strong interaction]] but not conserved in the [[Weak Nuclear Interaction|weak interaction]]).: The four '''fundamental forcesinteractions''' are::*[[Strong Nuclear ForceInteraction]] - Experienced only by [[hadron]]s and responsible for holding [[quark]]s together and holding [[proton]]s and [[neutron]]s together in the [[Atomic Nucleus|atomic nucleus]].:*[[Weak Nuclear ForceInteraction]] - Experienced by [[hadron]]s and [[lepton]]s and responsible for the [[Weak Nuclear InteractionRadioactive Decay|decay]] of [[particle]]s including [[Radioactive DecaySubatomic Particle|radioactive decaysubatomic particles]].:*[[Electromagnetic ForceInteraction]] - Experienced by [[particle]]s with [[Electrical Charge|charge]] :*[[Gravitational ForceInteraction]] - Experienced by all [[particle]]s with [[mass]].