Question

Why we can move our hand freely in air but to do the same through a solid block of wood we need a karate expert

Answer 1

Answer:

coz the particles of air are far from each other so we can easily move our hand in air but in case of solid the particles of solid are close to each other as compared to the particles of air so we need a karate expert to do the same

Explanation:

hope it helps u my friend;)

Answer 2

Air is a gas, it has more space in between particles. But solid block of wood is rigid, hence it is difficult to move our hands through it.