2025 DSS PRELIMS P1 Q6

2025 DSS PRELIMS P1 Q6

Secondary 4
2 marks

The gravitational force F (in newtons) is inversely proportional to the square of the distance r (in metres) between two objects. John says, “If I tripled the distance between the two objects, the gravitational force they experience will be one-third as strong.” Is he correct? Explain your answer.[2]

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Answer:No; the force becomes \(\frac19\) as strong.

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