JAMB Physics 2013 Objective — Question 3
Question 3 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2013 Objective paper, with the correct answer and a full explanation.
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The resultant of two forces is 50N. If the forces are perpendicular to each other and one of them makes an angle of 30° with the resultant, find its magnitude.
- A. 100.0N
- B. 57.7N
- C. 43.3NCorrect
- D. 25.0N
Explanation
Cos30° = F2/50, so F2 = 50Cos30° = 43.3N.
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