Physicshard · Past Paper
What is the force between two masses of 100 kg each separated by 10 m?
A6.67 x 10^-11 N
B6.67 x 10^-10 N
C6.67 x 10^-9 N
D6.67 x 10^-8 N
✓ Correct Answer: B — 6.67 x 10^-10 N
F = G * (100 * 100) / 10^2 = G * 10000 / 100 = 100G = 6.67 x 10^-9 N.
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