The magnitude of the resultant of two mutually perpendicular forces, F1 and F2 is 13N, if the magnitude of F1 is 5N, what is the magnitude of F2?
A
2.6N
B
6.0N
C
12.0N
D
18.0N
Verified Correct Answer: C.
Physical Principles & Numerical Solution
(13)2 = 52 + (F2)2
F2 = 12N
Source: Myschool Past Questions Archive (Record #28307)