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Let us consider a magnet which is cylindrical.Let one of its circular side be A and other be B.Suppose an object is sticked to side A with the help of gum or something.And also another identical magnet is taken and the same process is done in that one too..My question is that when the side B of the two magnets are brought opposite to one another they are attracted.But when the Objects that are sticked to side a are brought opposite to one another they repel each other...How is this possible..

Hrishant Goswami , 12 Years ago
Grade 10
anser 1 Answers
Askiitians Tutor Team

That's an interesting scenario you've presented! Let's break it down step by step to understand the behavior of magnets and the objects attached to them.

The Basics of Magnetism

Magnets have two poles: a north pole and a south pole. Opposite poles attract each other (north attracts south), while like poles repel each other (north repels north and south repels south). This fundamental property of magnets is crucial in explaining the interactions in your scenario.

Understanding the Setup

In your example, you have two cylindrical magnets, each with one side labeled A and the other side labeled B. You’ve attached an object to side A of each magnet. When you bring side B of one magnet close to side B of the other, they attract each other because they are opposite poles. This attraction occurs because the magnetic fields of the two magnets interact in a way that pulls them together.

What Happens with the Objects?

Now, when you bring the objects attached to side A of each magnet close to each other, they repel. This is because the objects are likely made of materials that are not magnetic or are influenced by the magnetic field in a way that causes them to behave like like poles. Here’s a deeper look into why this happens:

  • Magnetic Field Interaction: The objects stuck to side A may have their own magnetic properties or may simply be influenced by the magnetic field of the magnet. If both objects are influenced similarly, they will repel each other.
  • Material Properties: If the objects are made from non-magnetic materials, they won't have a significant magnetic field of their own. However, if they are ferromagnetic (like iron), they could be magnetized by the magnet, leading to repulsion if they are aligned with the same pole.
  • Distance and Field Strength: The strength of the magnetic field decreases with distance. If the objects are too far apart, the magnetic forces may not be strong enough to overcome the repulsion, leading to a weaker interaction.

Illustrative Example

Imagine two bar magnets. If you hold the north pole of one magnet close to the north pole of another, they will push away from each other. Now, if you flip one magnet and bring the north pole of one close to the south pole of the other, they will snap together. The same principle applies to your cylindrical magnets and the objects attached to them.

Conclusion

In summary, the attraction between the magnets at side B is due to the opposite poles interacting, while the repulsion of the objects at side A occurs because they either have similar magnetic properties or are influenced by the magnetic field in a way that causes them to repel. This fascinating interplay of magnetic forces is what makes magnets so intriguing!

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