Question: Which of the following is a consequence of Newton\'s law of gravitation?

Options:

1. The orbits of planets are elliptical
2. Masses repel each other
3. Gravitational force is a vector quantity
4. All objects fall at the same rate in a vacuum

Correct Answer: The orbits of planets are elliptical

Solution:

Newton\'s law of gravitation leads to the conclusion that the orbits of planets are elliptical, as described by Kepler\'s laws.