Amazing Magnetic Force!
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home | Science Experiments | Amazing Magnetic Force!
 

Amazing Magnetic Force!


In this experiment, we'll show you how to use magnetic forces to defy the force of gravity!






Summary of this Experiment:  Gravity causes everything to fall at the same rate.  In this experiment, we turn this idea on its head when we show how you can drop an object into a copper tube and it will take longer to hit the table then when it is dropped outside of the tube.  The object that we drop is a magnet, but we show that it is not attracted to the copper tube at all.  

If the magnet isn't attracted to the copper, why does it take longer to hit the table when dropped trough the copper tube?

This is a demonstration in Lenz's Law.  What happens here is that as the magnet begins to fall through the tube, tiny electric currents are generated inside the copper because of magnetic induction.  These electric currents create their own magnetic field which then pushes against the magnet that is falling in the tube.

The result is that the magnet's fall is slowed significantly as it falls in the tube, even though it is not attracted to the tube at all!







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