Problem 49 (Plug-n-chug). The girl has a mass of 40 kg and center of mass at G. If she is swinging to a maximum height defined by theta = 60°,

determine the force developed along each of the four supporting posts such as AB at the instant theta = 0°. The swing is centrally located between the posts. (а)227 N (b) 374 N (с) 509 N(d) (d) 785 N (e) None of these