Surprise! The mug is saved by the #Lego man! How is it possible? As the mug falls, the toy starts rotating on the string around the rod faster and faster, and the #friction between the string and the rod stops the fall. You can try this at home, but practice over the carpet first.

This demo was presented by Dr. Tatiana Erukhimova, professor in the @tamu Physics & Astronomy department.

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