Gravity - Wikipedia
In physics, gravity (from Latin gravitas 'weight'[1]), also known as gravitation or a gravitational interaction, [2] is a fundamental interaction, which may be described as the force that draws material …
Gravity | Definition, Physics, & Facts | Britannica
Mar 17, 2026 · gravity, in mechanics, the universal force of attraction acting between all bodies of matter. It is by far the weakest known force in nature and thus plays no role in determining the …
13: Gravitation - Physics LibreTexts
In this section, we study the nature of the gravitational force for objects as small as ourselves and for systems as massive as entire galaxies. We show how the gravitational force affects objects on Earth …
Gravitation: Principle, Law, Theory, Waves, Roles, Examples
Jul 19, 2025 · Combining both theories, Newton formulated a universal law of gravitation in the 17th century, which was accurate for every corner of the universe. Newton’s Law of Universal Gravitation …
Understanding Gravitation: Concepts, Principles and Application
Gravitation is a fundamental force of nature that governs the motion of objects throughout the universe. It is the attractive force that draws two bodies toward one another, resulting in a pull that depends on …
DOE Explains...Gravity | Department of Energy
Gravity is the force of fundamental attraction between all things that have mass or energy. It feels powerful to us in our daily lives, but it is by far the weakest of the four known forces in nature. The …
Gravitation | Brilliant Math & Science Wiki
Gravity or gravitation is a natural phenomenon by which all things with energy are brought toward (or gravitate toward) one another, including stars, planets, galaxies, and even light and sub-atomic …
What Is Gravity? | NASA Space Place – NASA Science for Kids
Mar 13, 2026 · The answer is gravity: an invisible force that pulls objects toward each other. Earth's gravity is what keeps you on the ground and what makes things fall. An animation of gravity at work. …
Newton's Law of Universal Gravitation - The Physics Classroom
The proportionalities expressed by Newton's universal law of gravitation are represented graphically by the following illustration. Observe how the force of gravity is directly proportional to the product of the …
Universal Gravitation – The Physics Hypertextbook
There is no terrestrial gravitation for Earth and no celestial gravitation for the planets, but rather a universal gravitation for everything. Every object in the universe attracts every other object in the …