Can magnets be used to keep something at a certain distance?

In summary, the conversation discusses the desire to create a rope effect using magnetism, with the objects maintaining a specific distance from each other. However, it is concluded that this is not possible solely with the force of magnets according to Earnshaw's theorem.
  • #1
mzideefixe
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I've done some research on Google but have found no of relevant information.

I basically want to create a rope effect using magnetism. The objects will ideally maintain a certain distance from one another - the distance can vary to some degree - but must not be attracted too closely nor repelled to too far a distance.

Thanks for any information. :)
 
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  • #2
mzideefixe said:
I've done some research on Google but have found no of relevant information.

I basically want to create a rope effect using magnetism. The objects will ideally maintain a certain distance from one another - the distance can vary to some degree - but must not be attracted too closely nor repelled to too far a distance.

Thanks for any information. :)
With nothing but the force supplied by magnets, this is not possible. Can you see why?
 
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Related to Can magnets be used to keep something at a certain distance?

1. Can magnets be used to keep objects suspended in mid-air?

Yes, magnets can be used to keep objects suspended in mid-air. This is known as magnetic levitation and is commonly used in maglev trains and other transportation systems.

2. How do magnets keep objects at a certain distance?

Magnets work by creating a force between two objects with opposite magnetic poles. This force, known as magnetism, can be used to attract or repel objects, keeping them at a certain distance.

3. What types of objects can be kept at a certain distance using magnets?

Generally, any object that is capable of being magnetized or has magnetic properties can be kept at a certain distance using magnets. This includes metals such as iron, nickel, and cobalt, as well as some non-metallic materials like certain types of ceramics.

4. Are there any limitations to using magnets to keep objects at a certain distance?

Yes, there are limitations to using magnets for this purpose. The strength and distance of the magnetic force depend on the strength of the magnets and the distance between them. Additionally, the shape and size of the objects can also affect the strength and stability of the magnetic force.

5. Can magnets be used to keep objects at a certain distance indefinitely?

No, magnets cannot keep objects at a certain distance indefinitely. Over time, the magnetic force between objects may weaken due to factors such as temperature changes, external magnetic fields, or wear and tear on the magnets themselves. Regular maintenance and monitoring may be necessary to ensure the stability of the magnetic force.

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