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 effect of a field that is …
Gravity | Definition, Physics, & Facts | Britannica
Dec 4, 2025 · 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 internal …
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 …
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 …
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 …
What Is Gravity? Definition, Formulas, Facts
Mar 4, 2025 · Gravity is a fundamental force of nature that causes attraction between objects with mass. The strength of gravity varies on different celestial bodies, depending on mass and radius. Newton’s …
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
Sep 25, 2025 · 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 …
Physics - Gravitation, Mechanics, Energy | Britannica
Newton’s gravitational law states that every material particle in the universe attracts every other one with a force that acts along the line joining them and whose strength is directly proportional to the product …