JAMB Physics 2011 Objective — Question 5
Question 5 of 49 from the Joint Admissions and Matriculation Board (JAMB) Physics 2011 Objective paper, with the correct answer and a full explanation.
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An object of mass 2 kg moves with a velocity of 10 ms⁻¹ round a circle of radius 4 m. Calculate the centripetal force on the object.
- A. A. 50 NCorrect
- B. B. 40 N
- C. C. 25 N
- D. D. 100N
Explanation
Centripetal force, Fc = mv²/r = (2x10²)/4 = 50N.
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