Question: What is the gravitational force between two 10 kg masses separated by 2 meters?

Options:

1. 0.25 N
2. 5 N
3. 10 N
4. 20 N

Correct Answer: 0.25 N

Solution:

Using Newton\'s law of gravitation, F = G(m1*m2)/r² = (6.674×10⁻¹¹)(10 kg * 10 kg) / (2 m)² = 0.25 N.