Archimedes' seesaw

I bet I can tilt the balance of the seesaw without touching the glasses or the seesaw itself, or without changing the amount of water in the glasses.

Физик

7 – 12-р анги

Бичсэн: Stonawski Tamás

Хянан шалгагч: Dr. Sós Katalin

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Веб холбоос

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