http://ilvas.livejournal.com/ ([identity profile] ilvas.livejournal.com) wrote in [community profile] engineering_ru 2014-12-18 08:46 pm (UTC)

Направо.
Слева шарик за дно держится - нить натянута. Грубо говоря это получается такая форма сосуда.

Справа вода выталкивает шарик вверх. Вот эта Архимедова сила и давит на весы.
(234 comments)

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