Which of the following forces hold together the protons and neutrons in the nucleus of an atom?

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Answer 1

The correct answer is Nuclear force.

Key Points

Strong nuclear forces are responsible for holding the nuclei of atoms together. This is the most dominant force in reactions and is so strong that it binds protons with similar charges with the nucleus.
It is the most attractive in nature but can be repulsive sometimes. It has a very short range of just 1fm.

Additional Information

Fundamental forces or interactions are those forces of nature as without them all things will fall apart.
There are four fundamental forces of nature. These are as follows:

S.No.	Fundamental Forces	Information
1	Gravitational Force	Gravitational Force is the weak force among all 4 forces but it has infinite range. It is an attractive force as its acts between object and mass. The formula for Gravitational force is: \(F = G\frac{{{M_1}{M_2}}}{{{R^2}}}\)
2	Electromagnetic Force	Electromagnetic Force is weaker than the strong nuclear force. It acts between electrically charged particles. It also has an infinite range and is attractive or repulsive.
3	Weak Nuclear Force	Weak Nuclear Force is very weak and causes radioactive decay. It governs particle decay. It has a short range.
4	Strong Nuclear Force	Strong Nuclear Force as the name suggests is very strong but has a short range. It holds protons and neutrons inside the nucleus of the atom.