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

Anti air is hitting a bullet with a bullet. Anti tank is hitting a tank with a really big bullet. The tank is much slower but has much more armor. The challenges are very different from an engineering perspective.