The resultant of two forces acting at an angle of 120° is 10 kg wt and is perpendicular to one of the forces. That force is : (A) 10 3 kg wt (B) 20 3 kg wt (C) 10 kg wt (D) 10 3 kg wt
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Answer:
c is correct answer
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Answer:opt.-(D) is correct (10/root 3)
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