Forces of 10.6 N north, 20.8 N east, and 14.3 N south are simultaneously applied to a 3.76 kg mass as it rests on an air table. What is the magnitude of its acceleration?

Answer 1

N sum: 10.6-14.3 N or South 3.7N
E sum: 20.8N

angle, S of E, angle is arc tan 3.7/20.8