Question: What is the gravitational force between two 1 kg masses placed 1 m apart?
Options:
Correct Answer: 6.67 × 10^-11 N
Solution:
F = G * (m1 * m2) / r² = (6.67 × 10^-11) * (1 * 1) / (1²) = 6.67 × 10^-11 N