An Object Is Being Acted Upon by Three Forces and Moves

Multiple Choice

An object is being acted upon by three forces and moves with a constant velocity. One force is 60 N along the x-axis, the second is 75 N along the y-axis. What is the direction of the third force, measured counterclockwise from the x-axis?

A) 128°
B) 182°
C) 213°
D) 225°
E) 231°