Your friend wants to make an electromagnet strong enough to lift a heavy metal object. What are some suggestions you would give him on how to make the electromagnet strong enough?

If you want, you can make an electromagnet by wrapping wires around a used paper towel roll, but if you want a strong magnet, wrap them around an iron core instead.

Explanation:

sorry if i'm wrong and this does not help please rate this so i can get feedback

jupiter

explanation:

it is so massive and has such a strong gravitational pull its likely prevented the formation of a planet between itself and mars in the asteroid belt

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