A 55-Kg Object, Moving at Constant Velocity, Is Acted on by by Three

Multiple Choice

A 5.5-kg object, moving at constant velocity, is acted on by three forces. One force is 20 N along the +x axis. The second force is 25 N along the +y axis. What is the magnitude of the third force?

A) 23 N
B) 32 N
C) 28 N
D) 35 N