Force generated by a solenoid on a moving steel ball bearing

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SUMMARY

The force generated by a solenoid on a moving steel ball bearing can be determined by considering the current, number of loops, and the cross-sectional area of the solenoid. The discussion highlights the complexity of calculating this force due to the induced eddy currents, which are independent of the ferromagnetic reaction of the steel ball bearings. Previous resources, such as the linked Physics Forums discussion, focus on stationary steel ball bearings, making them less applicable to this scenario. Understanding the interaction between magnets and magnetizable objects is essential for accurate calculations.

PREREQUISITES
  • Understanding of electromagnetism principles
  • Familiarity with solenoid design and specifications
  • Knowledge of eddy currents and their effects
  • Basic physics of magnetic fields and forces
NEXT STEPS
  • Research the equation for force on a moving conductor in a magnetic field
  • Explore the effects of eddy currents on magnetic interactions
  • Study solenoid design parameters and their impact on force generation
  • Investigate numerical simulation tools for modeling magnetic forces
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Physics students, electrical engineers, and researchers involved in electromagnetism and magnetic field applications will benefit from this discussion.

thephysicsgod
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Hi, I want to find an equation for the force generated by a solenoid on a moving steel ball bearing given current, number of loops, area of the solenoid for a lab project. I've tried looking through many sources, but was unable to find anything. I also tried looking at this previous discussion https://www.physicsforums.com/threads/equation-for-f-using-flux-desnity-in-solenoid.328605/ but this is for a steel ball bearing that isn't moving. Any help would be greatly appreciated.
 
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The motion will induce eddy currents, those are independent of the ferromagnetic reaction of the steel balls.
In general the interaction between magnets and magnetizable objects is very difficult to calculate.
 

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