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Neodymium magnets can be quite strong. Many supply shops can get you some.
Several different metals can be used in magnets. Iron is perhaps the most common metal used in permanent magnets, but alloys such as Alnico (Aluminum, Nickel, and Cobalt) can also make very strong permanent magnets.
Yes
Besides seeing what effect a strong magnet has on different metals, ... heavy mineral found in the displays, shown at the left in the first photo. .... Take a strong rare-earth magnet and place it into an inside-out zip-lock bag. ... Do you now have a fairly extensive list of things magnets can and cannot attract?
I toyed with neodymium magnets in engineering class at UMD. They were referred by my prof. as the strongest magnetic material yet discovered.
Magnets of different strength are used.
It depends. Flash based MP3 players are relatively impervious to magnets. However, some MP3 players have small hard disks in them. This is magnetic media, and if your magnet is strong enough it can affect the data stored on it.
at the poles
The Rust affects the magnet. The magnetic energy won't work as well cause it has to work thru the rust. So no, rusty magnets are not as strong as a nonrusty magnet
depends on the size of the magnet
Some magnets are stronger than others, making them harder to pull apart. For strong magnets, you can pull the magnets sideways to get them apart.
magnets are strong and if you put a cell phone near it, it might damage it
yes, yes they can. well depends on how thick the rubber is and how strong the magnets are
by the forces of the nagitve and positive attractions
A magnet is used to attract metallic objects by drawing them towards the magnet. Strong magnets can be used for jobs such as the disposal of cars and other industrial uses.
There are many places to buy magnets. Any business in a place with strong tourism will sell speciality magnets. You can also buy them online or in grocery stores.
yes a strong magnet can do