magnetism Flashcards
1
Q
like poles
unlike poles
A
repel
attract
2
Q
mwhat type pf force is a magnetic force
A
a non contact force- they affect each other without touchinh
3
Q
what are magnetic materials
A
iron
steel
nickel
cobalt
they are affected by magnets but are not magnetic
4
Q
what is a permanent magnet?
A
- produces its own magnetic field
- cannot be turned off
5
Q
testing for magnetism
A
a permanent magnet can
- attract or repel another permanent magnet
- attract a magnetic material (but not repel it)
