Question

Sometimes people use magnets to keep the doors open and some times to close the doors firmly. Think and say how is it possible and how we should arrange the magnets in each case

Answer 1

To keep the door open, they keep the like poles on the same side so that they repel each other.

For closing the door, they keep the unlike poles so that they attract each other.

Answer 2

Answer:

to keep they will be unlike poles N ,N S,S