Work with Magnets: Generate Energy from Magnetic Force

In summary, the conversation discusses a hypothetical idea of using magnets to generate electricity, but is reminded that the concept violates the laws of physics and would not work in reality. The idea is described in detail, but ultimately dismissed as a perpetual motion machine, which is not supported in the forum.
  • #1
Ghost803
20
0
I know this is probably wrong and that my understanding of physics is basic. But figured id just share a quirky idea I had and see if anyone can explain to me why it wouldn't work.

O.k. Imagine two huge magnets in a chamber. One is positively charged and one is negatively charged. And they are kept apart some distance and attached to the back of the magnet on top is a cord connected to a generator, which it will pull. Then they let the magnets try to get close to each other. So that as the magnets move, the cord is pulled and work is done. Then when the magnets get close to each other, an insulant is pushed in between the two. So the magnets drop back down to their original position. Rinse and repeat.
 
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  • #2


You are forgetting that you have to do work when you push this "insulant" to shield the magnetic field. Try it! You'll feel an opposing force against you pushing this in between the two magnet. It is the same as if you're pushing a magnet into a solenoid.

This forum really isn't the place to try and promote perpetual motion machine. In fact, no part of PF is.

Zz.
 
  • #3
I wasn't trying to promote it, just asking why it wouldn't work.
 

FAQ: Work with Magnets: Generate Energy from Magnetic Force

How does magnetic force generate energy?

Magnetic force is a result of the interaction between electrically charged particles, such as electrons. When a magnetic field is applied to a conductor, it causes the electrons to move, creating an electric current. This flow of electrons is what generates energy.

Can magnets be used to generate sustainable energy?

Yes, magnets can be used to generate sustainable energy through the process of electromagnetic induction. This method involves moving a magnet or a wire coil through a magnetic field, which creates a current and generates energy. As long as there is motion between the magnet and the conductor, energy can be continuously generated.

What are the advantages of using magnetic energy?

One advantage of using magnetic energy is that it is a renewable resource. Magnets do not consume any resources or produce any harmful byproducts, making it a clean source of energy. Additionally, magnets have a long lifespan and require minimal maintenance, making them a cost-effective option for energy production.

Can magnets be used to power entire cities?

While magnets can generate a significant amount of energy, it is not currently possible to power an entire city solely with magnetic energy. However, magnets can be used in conjunction with other renewable energy sources to supplement and improve the overall efficiency of energy production.

Are there any potential risks or drawbacks to using magnetic energy?

One potential risk of using magnetic energy is the potential for electromagnetic interference. Strong magnetic fields can disrupt electronic devices and cause malfunctions. Additionally, the initial cost of setting up a magnetic energy system can be high. However, these risks and drawbacks can be mitigated with proper planning and precautions.

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