# Magnetic attraction / repulsion from the Lorentz force

• SamRoss
In summary: It's just a vector with two components. See section 3.4.2, page 59, in this document:Sure. And is a magnet charged? No. What you have is a bunch of charges in a complex motion, and you are demanding that that be simple. It won't work out.See section 3.4.2, page 59, in this document:
@SamRoss It may be worth mentioning as a side item that it is very important that the magnetic currents involve no charge transfer. The reason is this: For a transformer, because there is a changing magnetic flux, (originating from the currents in the primary coils and enhanced by the iron/magnetic surface currents), that passes through the transformer, (it cycles at 60 Hz), the result is an EMF, (from Faraday's law), that creates real (eddy) currents in the iron that generate reverse magnetic fields that would almost completely negate the transformer's operation. The solution to block these eddy currents is simple: the transformer has layers of iron that are separated by plastic laminations. The eddy currents can be almost completely blocked, while the magnetic surface currents continue to persist in a computational sense=the magnetic surface currents are virtually unaffected by the laminations. The tranformer operates in a most ideal fashion with the laminations.

Last edited:
alan123hk, vanhees71 and Delta2
<h2>1. What is the Lorentz force?</h2><p>The Lorentz force is a fundamental force in physics that describes the interaction between electric and magnetic fields. It is named after Dutch physicist Hendrik Lorentz and is responsible for the movement of charged particles in magnetic fields.</p><h2>2. How does magnetic attraction and repulsion occur from the Lorentz force?</h2><p>Magnetic attraction and repulsion occur from the Lorentz force when a charged particle experiences a force due to the interaction between its own magnetic field and an external magnetic field. This force can either attract or repel the charged particle, depending on the direction of the magnetic fields.</p><h2>3. What factors affect the strength of magnetic attraction and repulsion from the Lorentz force?</h2><p>The strength of magnetic attraction and repulsion from the Lorentz force is affected by the charge and velocity of the charged particle, as well as the strength and direction of the external magnetic field. Additionally, the mass and charge of the particle producing the magnetic field also play a role in determining the strength of the force.</p><h2>4. Can the Lorentz force be used in practical applications?</h2><p>Yes, the Lorentz force has many practical applications, including in electric motors, particle accelerators, and magnetic levitation systems. It is also used in various scientific experiments to study the behavior of charged particles in magnetic fields.</p><h2>5. How does the Lorentz force relate to other fundamental forces?</h2><p>The Lorentz force is one of the four fundamental forces in nature, along with gravity, electromagnetism, and the strong and weak nuclear forces. It is closely related to electromagnetism, as it is a combination of electric and magnetic forces, and is responsible for many of the phenomena observed in electromagnetism.</p>

## 1. What is the Lorentz force?

The Lorentz force is a fundamental force in physics that describes the interaction between electric and magnetic fields. It is named after Dutch physicist Hendrik Lorentz and is responsible for the movement of charged particles in magnetic fields.

## 2. How does magnetic attraction and repulsion occur from the Lorentz force?

Magnetic attraction and repulsion occur from the Lorentz force when a charged particle experiences a force due to the interaction between its own magnetic field and an external magnetic field. This force can either attract or repel the charged particle, depending on the direction of the magnetic fields.

## 3. What factors affect the strength of magnetic attraction and repulsion from the Lorentz force?

The strength of magnetic attraction and repulsion from the Lorentz force is affected by the charge and velocity of the charged particle, as well as the strength and direction of the external magnetic field. Additionally, the mass and charge of the particle producing the magnetic field also play a role in determining the strength of the force.

## 4. Can the Lorentz force be used in practical applications?

Yes, the Lorentz force has many practical applications, including in electric motors, particle accelerators, and magnetic levitation systems. It is also used in various scientific experiments to study the behavior of charged particles in magnetic fields.

## 5. How does the Lorentz force relate to other fundamental forces?

The Lorentz force is one of the four fundamental forces in nature, along with gravity, electromagnetism, and the strong and weak nuclear forces. It is closely related to electromagnetism, as it is a combination of electric and magnetic forces, and is responsible for many of the phenomena observed in electromagnetism.

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