Physics
WAEC 2017
Which of the following statements is/ are correct?
I. Gravitational potential due to a mass at a point a distance r away is proportional to \(r^{2}\)
II. Gravitational field strength is a vector quantity
III. Gravitational intensity is proportional to the weight of a unit mass.
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A.
I, II and III
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B.
III only
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C.
II only
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D.
I only
Correct Answer: Option D
Explanation
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