It shows that the Law of Areas applies to any central force, attractive or repulsive, continuous or non-continuous, or zero.
परिभाषा
a law concerning the speed at which planets travel; a line connecting a planet to the sun will sweep out equal areas in equal times; "Kepler''s second law means that a planet''s orbital speed changes with its distance from the sun" पर्याय: Kepler''s second law, law of equal areas,