Magnet's attraction force on a piece of iron

In summary, a magnet attracts a piece of iron due to its magnetic field, which is created by the alignment of electrons in the magnet. The distance between a magnet and a piece of iron affects the attraction force, with a weaker force occurring as the distance increases. A magnet can only attract certain types of metals, such as iron, nickel, and cobalt. The strength of a magnet's attraction force can be increased by increasing the strength of its magnetic field, achieved by adding more electrons or using a stronger magnetic material. If a magnet is cut in half and each half is used to attract a piece of iron, the attraction force will be weaker compared to the original magnet due to the weaker magnetic field.
  • #1
guideonl
58
6
Hi everyone,
Please describe the process accures when placing an iron piece in front of (north pole) natural magnet bar, and how the attraction force is created.
Also, to calculate the force magnitude (coulomb law for magnetism formula) how can I determine the piece of iron pole intesity (m) after it became a magnet itself? (I assume that pole intensity (m) of bar magnet is known or could be detemine by neutral points experiment & measuring)
Thank you all
 
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  • #2
What research have you done on this so far? What have you found out?
 
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Likes vanhees71, Vanadium 50, davenn and 1 other person

1. How does a magnet attract a piece of iron?

A magnet attracts a piece of iron through its magnetic field. The magnetic field of the magnet exerts a force on the iron, causing it to move towards the magnet.

2. What causes a magnet to have an attraction force on a piece of iron?

A magnet has an attraction force on a piece of iron because of its magnetic poles. The north and south poles of a magnet have opposite charges, which create a magnetic field that attracts iron and other magnetic materials.

3. Does the distance between the magnet and iron affect the attraction force?

Yes, the distance between the magnet and iron does affect the attraction force. The closer the two objects are, the stronger the attraction force will be. As the distance increases, the force decreases.

4. Can a magnet attract any type of iron?

Yes, a magnet can attract any type of iron, as long as it is a magnetic material. This includes pure iron, as well as alloys such as steel and iron oxide.

5. How can I increase the attraction force between a magnet and iron?

The attraction force between a magnet and iron can be increased by using a stronger magnet or by increasing the surface area of the iron that is in contact with the magnet. Additionally, reducing the distance between the two objects can also increase the force.

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