Gravitational pull

Gravitational pull is the attractive force that all massive objects exert on one another across space. It is one of the four fundamental forces of nature and the dominant force shaping the structure of the universe at cosmic scales.

In Newtonian mechanics, gravitational pull between two objects depends on their masses and the distance between them—a relationship expressed mathematically through Newton's law of universal gravitation. The stronger the masses and the closer they are, the greater the attraction. This framework explains everyday phenomena: why objects fall toward Earth, why the Moon orbits our planet, and how stars maintain their structure against the outward pressure of their own energy.

At extreme scales—near black holes or across the universe's largest structures—Einstein's theory of general relativity provides a more complete picture, describing gravity not as a simple force but as the curvature of spacetime itself caused by mass and energy.

Gravitational pull remains the least understood of the fundamental forces, and a complete theory unifying it with quantum mechanics remains elusive. Yet it orchestrates everything from planetary orbits to the expansion of the cosmos, making it central to cosmology, astrophysics, and our understanding of existence.

Related

Tides, Orbital mechanics, Gravitational waves, Dark matter, Center of mass