Fun Science: Balance and center of gravity
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From: Cary Grant
Added: 16 years ago · 3:58 · 480p
Timmy shows how to balance 14 big nails on the top of a small one.
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Years
Years
Views: 7,419
From: Cary Grant
Added: 16 years ago · 3:58 · 480p
Timmy shows how to balance 14 big nails on the top of a small one.
No comments yet.