JAMB Physics 2025 Objective — Question 14
Question 14 of 40 from the Joint Admissions and Matriculation Board (JAMB) Physics 2025 Objective paper, with the correct answer and a full explanation.
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In an ideal pulley system, a 400 N load is lifted 0.5 m by an effort moving 2.0 m. The mechanical advantage is:
- A. 0.25
- B. 4.0Correct
- C. 1.5
- D. 2.5
Explanation
MA=VR=2.0/0.5=4 (ideal system).
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