weakest force
Electricity and Magnetism
Level
1
Which is the weakest of the fundamental forces in nature?
strong nuclear force
weak nuclear force
electromagnetic force
gravitational force
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gravity is the weakest force in the universe? Well, it's true! There are four fundamental forces (that we know of) in our universe: Strong Nuclear, Electromagnetic, Weak Nuclear and Gravitational. The strongest one is the Strong Nuclear force, which is responsible for keeping the nuclei of atoms together. About one hundred times weaker than the strong nuclear force is the electromagnetic one. This is the strongest force that we experience in our everyday lives. In fact, whenever we touch anything we experience the Electromagnetic force. The electrons in our skin repel electrons in whatever we touch through this force. The Weak Nuclear force is the one responsible for most decays of particles and nuclei - which is where radioactivity comes from. This force is about 10 billion times weaker than the Electromagnetic force. The weakest of all is the Gravitational force. In fact, Gravitational force is 10 thousand billion billion billion billion times weaker than the Electromagnetic force. Well, it sort of makes sense because if the Gravitational force were stronger than the Electromagnetic one, we would fall right through the floor!