Answer:
What hangs others yet can unintentionally hang itself?
What do you have when you're sitting down that you don't have when you're standing up?
What goes up when the rain comes down?
Iron on a mammal. Mammal on your feet.
All about the house, with his lady he dances, yet he always works, and never romances.
I am the kind of an ant that's good at math. What am I?