JAMB Physics 2015 Objective — Question 34
Question 34 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2015 Objective paper, with the correct answer and a full explanation.
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The impulse of a force is deduced from Newton's second law as
- A. F = mg
- B. F = m(v−u)/tCorrect
- C. F = ma
- D. F = rnv−mu
Explanation
Newton's second law gives F = m(v−u)/t, so impulse Ft = m(v−u) = change in momentum.
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