JAMB - Physics (1989 - No. 2)
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?
2.6N
6.0N
12.0N
18.0N
Paskaidrojums
(13)2 = 52 + (F2)2
F2 = 12N
F2 = 12N