The universal law of gravitation is important because it explains the force of attraction between any two masses in the universe, governing planetary orbits, celestial motions, and the behavior of objects on Earth. It provides the foundation for understanding:

• Why objects fall to the ground.
• How planets revolve around the sun and moons revolve around planets.
• The phenomena of tides caused by the gravitational pull of the moon and sun.
• The basis for space missions and satellite technology.
• The general structure and dynamics of the cosmos.

This law, formulated by Sir Isaac Newton, applies universally to all masses regardless of size or location and quantifies gravity as a force proportional to the product of their masses and inversely proportional to the square of the distance between them.