What makes a weapon anti-air or anti-tank? Would anti-air be effective against tanks? Could we create one weapon that covers both, or even all possible targets?

Question

What makes a weapon anti-air or anti-tank? Would anti-air be effective against tanks? Could we create one weapon that covers both, or even all possible targets?

In: 864

Answer 1

Let’s scale things down for reference.

Bird shot = anti air.

Slug = anti tank.

Buck shot = bit of both

Grenade = lot of both