Communicating vessels

Tasoshin sadarwa Na ruwa Tasoshin sadarwa ko vases ɗin sadarwa [1] jerin kwantena ne masu ɗauke da ruwa mai kama da juna kuma an haɗa su da isasshe ƙasa da saman ruwan: idan ruwan ya daidaita, yana daidaita daidai gwargwado a duk kwantena ba tare da la'akari da siffar da girman kwantena ba. Idan an ƙara ƙarin ruwa a cikin jirgin ruwa ɗaya, ruwan zai sake samun sabon daidai matakin a duk tasoshin da aka haɗa. Simon Stevin ne ya gano wannan a sakamakon dokar Stevin.[2] Yana faruwa ne saboda nauyi da matsa lamba suna dawwama a cikin kowane jirgin ruwa (matsi na ruwa).[3]

Blaise Pascal ya tabbatar a cikin karni na sha bakwai cewa matsa lamba da ake yi akan kwayoyin halitta na ruwa yana yaduwa gaba daya kuma tare da irin wannan karfi a kowane bangare.