Question

A proton exerts a force on a proton which is

• A. gravitational
• B. electromagnetic
• C. nuclear
• D. weak

Answer 1

Answer: (A), (B), (C)

The correct options are
A gravitational
B electromagnetic
C nuclear

Nuclear force
The nuclear force (or nucleon interaction or residual strong force) is the force of protons and neutrons, subatomic particles that are collectively called nucleons. The nuclear force is responsible for binding protons and neutrons into atomic nuclei. Neutrons and protons are affected by the nuclear force almost identically. Since protons have charge +1 e, they experience a Coulomb repulsion that tends to push them apart, but at short range the nuclear force is sufficiently attractive as to overcome the electromagnetic repulsive force. The mass of a nucleus is less than the sum total of the individual masses of the protons and neutrons which form it.
Gravitational force
This force acts b.w two particles having non zero mass
Electromagnetic force
Electromagnetism is the study of the electromagnetic force which is a type of physical interaction that occurs between electrically charged particles.