JAMB Physics 2007 Objective — Question 44
Question 44 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2007 Objective paper, with the correct answer and a full explanation.
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A car of mass 1500kg goes round a circular curve of radius 50m at a speed of 40ms-1. The magnitude of the centripetal force on the car is
- A. 1.2x10^2 N
- B. 12x10^3 N
- C. 4.8x10^4 NCorrect
- D. 48x10^4 N
Explanation
F = mv2/r = (1500 x 40^2)/50 = 4.8x10^4 N.
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