Question

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 1

we can easily move our hands in Air because the air molecules are far from each other and their(particle) force of attraction is weaker but in the case of solid block it has no intermolecular space and have high force of attraction between them.

mark me brainlist

Answer 2

Answer:

it is bcoz air has very small particals B/w them which can be easily overcome by moving our hand in the air

but solid have have strong inter particle distances . to overcome them we need a karate expert