Momentos: , , , , = 0 − /2. (9 )(sin 53°) + /2. ( )(sin 37°) − . (6 )(sin 53°) = 0 − . 5,19 + . . 0,301 − . 4,79 = 0 −9,98 . + . 0,301 = 0 0.301 . = 9,98 . 9,98 . = 0,301 . = 33,16