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Give reasons. We can easily move our ha...

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

Text Solution

Verified by Experts

Air molecules are less force of attraction. Whereas in solid block moleucles are very rigid, high density and compreshbuty to avoid damage. We need to know the technique to break the wood, through proper energetic force.
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