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The resultant of two forces 12N and 5N is 13N. What is th...

The resultant of two forces 12N and 5N is 13N. What is the angle between the two forces?

A.

0^o

B.

45^o

C.

90^o

D.

180^o

View answer & explanation

Correct answer is C

R2 - P2 + Q2 = 122 + 52
= 144 + 25 = 169
∴R = √169 = 13N
∴ angle between the forces is 90^o

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