Which of the following statements about the universal gravitational constant, G, is true?
PHYSICS
WAEC 2021
Which of the following statements about the universal gravitational constant, G, is true?
- A. It is fundamental quantity.
- B. It has dimension M-1L3T-2
- C. Its S.I. unit is N m2kg
- D. It is a vector quantity
Correct Answer: B. It has dimension M-1L3T-2
Explanation
The universal Gravitational constant(G) is a scalar quantity as it is not in a particular direction.
dimensional formula =M-¹L³T-²
S.I. unit = Nm\(^2\)/kg\(^2\)
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