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Grade 12th pass9 grade science

Why can we easily move our hands in the air but do the same through a plank of wood, we need a karate expert? Explain.

Profile image of Harshit Singh
4 Years agoGrade 12th pass
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1 Answer

Profile image of Jayesh Vashishtha
4 Years ago
Dear student,
 
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.
 
regards,
Team Askiitians