Interesting question given by u.. Interesting answer will be given by me.. :-)
Let's consider the ground is magnetic
Then we find all the metals( leaving exceptional cases) will be pulled down..
Let's consider the rocket.. The rocket doesn't fly up , it comes down.
Many heavy weapons used in war.. Shud be used by bending to the ground. As the ground is magnetic.
We get many funny things happening in our life. If the ground is magnetic.