Physics
JAMB 1989
The magnitude of the resultant of two mutually perpendicular forces, F
1 and F
2 is 13N, if the magnitude of F
1 is 5N, what is the magnitude of F
2?
-
A.
2.6N
-
B.
6.0N
-
C.
12.0N
-
D.
18.0N
Correct Answer: Option C
Explanation
(13)2 = 52 + (F2)2
F2 = 12N
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