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

We can easily move our hand in air but to do the same through a solid

1.	We can easily move our hand in air but to do the same through a solid block of wood we need a karate expert?
Answer» Hey mate. .....☺. Here's ur ans. We can EASILY move our hands in air DUE to the intermolecular space WHEREAS to do same with solid we need karate expert as there is no intermolecular space. Hence , it REQUIRES force to MAKE the space .