Gravity is a fundamental force of nature that attracts objects with mass or energy towards each other. It is one of the four fundamental forces in the universe, along with electromagnetism, the weak nuclear force, and the strong nuclear force.
According to the theory of general relativity developed by Albert Einstein, gravity is not seen as a force in the traditional sense but rather as a curvature of spacetime caused by the presence of mass and energy. Objects with mass create a curvature in the fabric of spacetime, and other objects move along the curved paths dictated by this curvature.
Gravity affects all objects, regardless of their size or mass. The strength of the gravitational force between two objects depends on their masses and the distance between them. The greater the mass of an object, the stronger its gravitational pull. Similarly, the closer two objects are to each other, the stronger the gravitational attraction between them.
Gravity is responsible for numerous phenomena we observe in the universe, such as the motion of planets around the Sun, the formation of galaxies, and the behavior of objects on Earth, like falling objects or the tides. It is a fundamental aspect of our understanding of physics and plays a crucial role in our understanding of the structure and behavior of the universe.