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In a nucleus, the constituent particles are either positively charged (protons) or have no charge (neutrons). Positive charges repel, just as identical poles of a magnet repel. Let's do an experiment....

Get a collection of spherical magnets (probably cheapest to pretend at this point). All the magnets should have the same pole (say North) on the outer surface. These are the protons. Some non-magnetic balls of the same size can act as the neutrons. Try putting them together. They should repel each other and you shouldn't be able to make a nucleus...

but then why would you be able to stick them together even if there were no charge? You can't just attach snooker balls together without some sticking material. We need a force to glue them together. In fact we need a strong, nuclear force. "The strong nuclear force".

For our experiment we'll now need some sticky-backed Velcro. Put the hooks onto the protons and the furry stuff onto the neutrons. You should now be able to arrange the balls so that they stick together satisfactorily. Note that it won't stick very well with either too many protons or too many neutrons.

The strong nuclear force is strong over a very short distance, so the analogy of Velcro+magnets+balls is pretty good. The proton balls repel from a certain distance, but when they're really close to the other Velcro side, the gluing force wins.

In quantum physics we consider all forces to be modelled as an exchange of particles. The particles that dictate the strong nuclear force are called gluons.

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10y ago
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13y ago

The protons are kept together in the nucleus by the strong and weak nuclear forces, preventing them from repelling each other by electrostatic force.

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13y ago

In fact, they do repel each other. However, there is another force - the strong force - that attracts protons and neutrons among themselves.

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Q: Why positive in a nucleus does not repel each other?
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Related questions

What is the effect of the electrostatic forces inside the nucleus?

protons and neutrons repel each other. The protons in the nucleus repel each other...APEX


What is an effect of electrostatic forces inside the nucleus?

protons and neutrons repel each other. The protons in the nucleus repel each other...APEX


What charges repel each other.?

It is like charges that repel each other. A charge may be positive or negative. Two positive charges repel, as do two negative charges. A positive and negative charge, however, attract each other. This is a fundamental law of electrostatics: like charges repel and opposite charges attract.


What does electrostatic force do inside the nucleus?

It causes the protons in the nucleus repel each other.


Do two protons always repel each other?

yes, they repel since they are both positive.


How do two positive charges react?

They repel each other.


How do like electric charges react to each other?

Like charges (i.e. positive/positive or negative/negative) will repel one another.


Is positive and positive charges repel each other?

Yes, remember opposites attract.


What affect will one positive charge have on another positive charge?

They will repel each other.


How are protons able to touch each other in the nucleus of an atom?

They don't touch each other, they are all blocked by neutrons in the nucleus, that is why protons don't just repel each other and the nucleus doesn't fall apart.


Protons push away from one another in the nucleus because theu have?

Protons push away from each other because they are both positively charged. Much like the positive ends of magnets repel each other.


Are there two natural elements that repel each other?

No. However, the protons within the atoms of the element will repel each other because they have equal positive charge.