Mute
Com.Ciência.Gaia
Quando dois balões são conectados por um tubo, a intuição costuma enganar: parece lógico imaginar que o ar sairia do balão mais cheio para o menos cheio. Mas o que controla o fluxo de ar não é a quantidade de ar, e sim a pressão interna. Em balões de borracha, essa pressão depende fortemente do quanto o material está esticado. Um balão pouco inflado tem a borracha mais rígida e oferece maior resistência elástica, o que resulta em uma pressão interna mais alta. Já um balão mais inflado tem a borr
Follow
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