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WASSCE
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 r2
II. Gravitational field strength is a scalar quantity
III. Gravitational intensity is proportional to the weight of a unit mass
I. Gravitational potential due to a mass at a point a distance r away is proportional to r2
II. Gravitational field strength is a scalar quantity
III. Gravitational intensity is proportional to the weight of a unit mass
A.
I, II and III
B.
III only
C.
II only
D.
I only
Answer: B
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