Post-UTME Physics 2006 Objective — Question 5
Question 5 of 5 from the Post-UTME Screening (Post-UTME) Physics 2006 Objective paper, with the correct answer and a full explanation.
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A stone of mass mkg is held in metres above the floor for 50s. The work done in Joules over this period is
- A. mh
- B. mgh
- C. 0Correct
- D. mgh/50
Explanation
Since the stone remains stationary (no displacement), the work done is zero.
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