What happens when you drop magnets in aluminum and glass tubes simultaneously?

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SUMMARY

When a strong magnet is dropped in an aluminum tube, it experiences electromagnetic damping due to induced currents, resulting in a slower descent until it reaches terminal velocity. In contrast, a magnet dropped in a glass tube accelerates solely under the influence of gravity, as glass is an electrical insulator. The discussion explores the comparative effects of these materials on the motion of magnets, highlighting that the magnet in aluminum will decelerate while the one in glass will not. This phenomenon illustrates the principles of electromagnetic induction and gravitational acceleration.

PREREQUISITES
  • Understanding of electromagnetic induction
  • Familiarity with terminal velocity concepts
  • Basic knowledge of material properties (conductors vs. insulators)
  • Grasp of gravitational acceleration principles
NEXT STEPS
  • Research the principles of electromagnetic damping in conductive materials
  • Explore the concept of terminal velocity in different mediums
  • Study the effects of material properties on magnetic fields
  • Investigate experiments involving magnets and various tube materials
USEFUL FOR

Physics enthusiasts, educators, and students interested in electromagnetism and material science will benefit from this discussion, particularly those exploring the dynamics of magnets in different environments.

panamabob
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Dropping a strong magnet in an aluminum tube is cool, but what will happen if magnets are dropped at the same time in tubes of aluminum and glass that are adjacent? Or at a defined distance due to strength of the magnets? Somebody probably has thought of this and demonstrated the results. It seems to me that the motion would be quicker but still slowed to normal gravitational pull, a hitchkicker of sorts.
 
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The magnet dropped in the aluminum pipe will eventually reach a terminal velocity as it creates currents in the pipe that create a B field. The one in the glass will just accelerate at g since its an insulator.
 

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