What does a strong nuclear force do in an atom?
it repels electrons from other electrons.
it repels protons from other protons.
it attracts protons and neutrons.
it attracts protons and electrons.

Option (c) is the correct answer.

Explanation:

A nucleus of an atom contains protons and neutrons. Protons have positive charge and neutrons have no charge.

Since, same charge of each proton causes repulsion between each other due to which electrostatic force of repulsion increases in the nucleus. But, a strong force of attraction overcomes this force of repulsion and holds the protons and neutrons together.

This strong force that binds the protons and neutrons together is known as nuclear binding energy.

Thus, we can conclude that a strong nuclear force attracts protons and neutrons in an atom.

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