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File:Bird toy showing center of gravity.jpg
From Wikipedia, the free encyclopedia
Found in articles
Ficheiro:Bird toy showing center of gravity.jpg
Attribution-Share Alike 3.0 truetrue English A
toy
demonstrating the scientific theory
of
the
center
of
gravity
. Hindi एक खिलौना गुरुत्वाकर्षण के केंद्र के