Question

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

Answer 1

This is because air is gaseous in nature and its particles have space between the and our hand gets into that empty space while wood is solid in nature and the particles are tightly packed leaving no space for our hand to move.
Hope it helps

Answer 2

ⓗⓔⓨ ⓓⓔⓐⓡ 

ⓢⓞ ⓗⓔⓡⓔ'ⓢ ⓨⓞⓤⓡ ⓐⓝⓢⓦⓔⓡ :-

The molecules in the solid are the most closely packed

There are strong forces of attraction between the constituent particles,of a Solid which hold them together in their fixed position.

Thus, we need karate experts to move our hand is solid block as the molecules of the block are tightly packed.

Whereas, we can easily move our hand in air ..... because the particles of air are losslessly packed and possess more movement.

H̤o̤p̤e̤ t̤h̤i̤s̤ h̤e̤l̤p̤s̤ y̤o̤ṳ d̤e̤a̤r̤ ✌̤


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