You can easily move your hand through water but in order to move it through a wooden block, you have to be a karate expert.

You can easily move your hand through water but in order to move it th

1.	You can easily move your hand through water but in order to move it through a wooden block, you have to be a karate expert.
Answer» We can easily move our hand in the AIR but to do the same through a solid block of WOOD we need a KARATE expert because, in air, there is a less force of ATTRACTION between the particles. So, very less amount of external force can BREAK it. ... Hence a large amount of force is required to break it.