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They help separate magnetic metals such as iron and steel from non magnetic metals such as aluminium. Metals have to be melted down at different temperatures so it's essential the less dense metals are separated from 'heavier' metals. Using magnets is a way of doing this.
Sherwood Ritchie
Kellen Bednar
the magnetic pull of the opposite north and south poles will "pull" the magnet with the corresponding side toward that directio causeing the person to know which direcvtion to travel.
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Why are magnets useful for fridges?
because fridges are magnetic and for decoration
What makes electromagnets useful?
Electromagnets are useful because some machines need magnets that can stop being magnetic. In junkyards, some machines need to pick up metallic objects, so they need magnets that can turn on and off, which is where a electromagnet becomes useful.
How does magnetism help us in your lifes?
magnets help us because magnets can help power your refrigerator.
How can magnets be used to help us?
how can magnets be used to help with recycling
Do magnets lose their power?
No.If you break the magnet, it is still a useful magnet.
Why are magnets used?
Electro magnets can be very useful to carry heavy loads of iron and metal from one side of a factory to another. Electro-magnets are formed by shooting electricity through a coil of copper.
Why are temporary magnets so useful?
magnetic feilds are produced only when current is flowing
Is nuclear-deal useful for us-why?
is nuclear deal useful for us? why nuclear deal is useful for us? is nuclear deal useful for us? why nuclear deal is useful for us? is nuclear deal useful for us? why nuclear deal is useful for us? is nuclear deal useful for us? why nuclear deal is useful for us?
What country exports magnets to the US?
there are a lot of neodymium magnets coming from china lately.
Why are fuels useful to us?
Fuels are useful to us. It is useful to us because we use it for our cars
Why are magnets useful for separating materials to be recycled?
They pick up only certain materials and can be used to separate them.
How are magnets useful for recycling household wastes?
A magnet can sort the ferrousmetalse.g., iron and steel, from the feed stream.
