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

Aircraft are fast-moving and lightly armored. You need a weapon that can get close any do damage from nearby.

Tanks are slow-moving and heavily armored. You need a weapon that can hit directly and concentrate all of its destructive energy in one point to defeat the armor.