Dandav Posted January 28 Author Report Share Posted January 28 Weak force https://www.livescience.com/49254-weak-force.html The weak force is one of the four fundamental forces that govern all matter in the universe (the other three are gravity, electromagnetism and the strong force). While the other forces hold things together, the weak force plays a greater role in things falling apart, or decaying. The weak force, or weak interaction, is stronger than gravity, but it is only effective at very short distances W bosons are electrically charged and are designated by their symbols: W+ (positively charged) and W− (negatively charged). The W boson changes the makeup of particles. By emitting an electrically charged W boson, the weak force changes the flavor of a quark, which causes a proton to change into a neutron, or vice versa. Experiments to find W and Z bosons led to a theory combining the electromagnetic force and the weak force into a unified "electroweak" force in the 1960s. Therefore, the weak force which works on electrically charged particles should also be considered as a Sub-EM force Quote Link to comment Share on other sites More sharing options...
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