JAMB Physics 2023 Objective — Question 1
Question 1 of 40 from the Joint Admissions and Matriculation Board (JAMB) Physics 2023 Objective paper, with the correct answer and a full explanation.
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A string of length 1.4 m is extended by 0.04 m when a load of 0.8 kg is suspended. How far will it extend if a force of 32 N is applied? (g=10 m/s², elastic limit not exceeded)
- A. 0.16 mCorrect
- B. 0.24 m
- C. 0.06 m
- D. 0.08 m
Explanation
k=8N/0.04m=200 Nm⁻¹; e=32/200=0.16 m.
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