The resultant of two forces 12N and 5N is 13N W... - JAMB Physics 2008 Question
The resultant of two forces 12N and 5N is 13N. What is the angle between the two forces?
A
0o
B
45o
C
90o
D
180o
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Correct Option: C
R2 - P2 + Q2 = 122 + 52
= 144 + 25 = 169
∴R = √169 = 13N
∴ angle between the forces is 90o
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