Formula for force in magentic field

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    Field Force Formula
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SUMMARY

The discussion focuses on calculating the attracting force of ferromagnetic objects within a magnetic field, specifically in the context of MRI scanners. Anam provides the formula for energy in a magnetic field as B²/(2μ), where μ represents the permittivity. To derive the force, it is necessary to integrate the total energy of the magnetic field as a function of position and then take the partial derivative with respect to position. This method is essential for understanding the "missile effect" in MRI environments.

PREREQUISITES
  • Understanding of magnetic field concepts, specifically in relation to ferromagnetic materials.
  • Familiarity with the formula for energy in magnetic fields, B²/(2μ).
  • Knowledge of calculus, particularly integration and differentiation.
  • Basic principles of MRI technology and its magnetic field effects.
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  • Research the integration of magnetic field energy functions in physics.
  • Study the effects of magnetic fields on ferromagnetic materials in detail.
  • Learn about the "missile effect" in MRI scanners and its implications.
  • Explore advanced topics in electromagnetism, focusing on force calculations in magnetic fields.
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Physicists, engineers, medical professionals working with MRI technology, and anyone interested in the dynamics of ferromagnetic objects in magnetic fields.

anam
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Does anyone have formulas for working out the attracting force of a ferromagnetic object while in a magnetic field.

I am looking at in particular the force of an object if caught in the magnetic field of an MRI scanner, or the missile effect as it is called.

Anam
 
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The energy in a magnetic field is [tex]\frac{B^2}{2\mu}[/tex] where [tex]\mu[tex]is the permittivity.<br /> <br /> To get the force, I think you'll have to integrate the total energy of the magnetic field as a function of position, and take the partial derivative with respect to position.[/tex][/tex]
 

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