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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 m\(^2\)kg
  • D. It is a vector quantity
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Correct Answer: Option B
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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