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Two forces whose resultant is 100N, are at right angle to each other. If one...

Physics
JAMB 1988
Two forces whose resultant is 100N, are at right angle to each other. If one of them makes an angle 30o with the resultant, determine its magnitude.
  • A. 8.66N
  • B. 50.0N
  • C. 57.7N
  • D. 86.6N
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Correct Answer: Option D
Explanation
COS 30o = \(\frac{F_1}{100}\)

F1 = 86.6N
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