Me ke sa fuka-fuki na jirgin sama ya tashi?
Kamar yadda darektan Bernoulli ya bayyana, saboda siffar, iska da ke tafiya a kan saman saman fuka-fuki a saman fuka-fuki zai yi sauri kuma ta haka ya samar da ƙananan matsa lamba fiye da iska da ke tafiya a hankali a kan ƙananan fuka-fuki. Wannan rashin daidaituwa na matsin lamba da ƙananan matsin lamba yana haifar da ƙarfin da ake kira ɗagawa wanda aka yi amfani da shi a cikin jagorancin ƙananan matsa lamba.