WAEC Physics 2022 Objective — Question 8
Question 8 of 50 from the West African Examinations Council (WAEC) Physics 2022 Objective paper, with the correct answer and a full explanation.
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The Joule is equivalent to
- A. kg m² s⁻¹
- B. kg² m s⁻²
- C. kg m² s⁻²Correct
- D. kg m s⁻¹
Explanation
The Joule (unit of energy/work) is defined as kg m² s⁻² (Force × distance = kg·m·s⁻²·m).
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