The four fundamental forces: Strong Nuclear Force, Weak Nuclear Force, Electromagnetism and Gravity, are carried by Nuclear Force Carriers, which are part of the elementary particles. The Graviton is yet to actually be observed.
Comment
The four fundamental forces: Strong Nuclear Force, Weak Nuclear Force, Electromagnetism and Gravity, are carried by Nuclear Force Carriers, which are part of the elementary particles. The Graviton is yet to actually be observed.