Jack pulls a sled across a level field by exerting a force of 110 N at an angle of 30o with the ground. What are the parallel and perpendicular components, respectively, of this force with respect to the ground?
a. 64 N, 190 N
b. 190 N, 64 N
c. 95 N, 55 N
d. 55 N, 95 N