Physicshard · Past Paper
If the distance between two masses is reduced to one-third, the gravitational force becomes:
A3 times
B9 times
C1/3 times
D1/9 times
✓ Correct Answer: B — 9 times
Force is proportional to 1/d². If d becomes 1/3, F becomes 1/(1/3)² = 9 times.
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