The more important balance of forces, though, is in the vertical direction. The vertical component of formula_9 must exactly cancel the force, formula_13.
ð ə WORD_BOUNDARY m ɔ ɹ WORD_BOUNDARY ɪ m p ɔ ɹ t ə n t WORD_BOUNDARY b æ l ə n s WORD_BOUNDARY ʌ v WORD_BOUNDARY f ɔ ɹ s ɪ z WORD_BOUNDARY ð oʊ WORD_BOUNDARY ɪ z WORD_BOUNDARY ɪ n ð ə WORD_BOUNDARY v ɜː t ɪ k ə l WORD_BOUNDARY d ɪ ɹ ɛ k ʃ ə n WORD_BOUNDARY ð ə WORD_BOUNDARY v ɜː t ɪ k ə l WORD_BOUNDARY k ə m p oʊ n ə n t WORD_BOUNDARY ʌ v WORD_BOUNDARY f ɔ ɹ m j ʊ l ə WORD_BOUNDARY n aɪ n WORD_BOUNDARY m ʌ s t WORD_BOUNDARY ɛ ɡ z æ k t l i WORD_BOUNDARY k æ n s ə l WORD_BOUNDARY ð ə WORD_BOUNDARY f ɔ ɹ s WORD_BOUNDARY f ɔ ɹ m j ʊ l ə WORD_BOUNDARY θ ɜː t iː n WORD_BOUNDARY