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Gravity is a fundamental interaction that attracts all masses in the universe. Learn about its definition, history and theory, from ancient to modern physics, including Newton's law, Einstein's relativity and quantum gravity.
25 wrz 2024 · Gravity is the universal force of attraction acting between all bodies of matter. Learn about its history, theory, and applications from Britannica's experts.
3 lut 2023 · Gravitational force is the attraction between two objects with mass, proportional to their product and inversely proportional to their distance. Learn the universal law of gravitation, the formula, the unit, the properties, and the examples of gravitational force.
11 paź 2024 · Gravity is the force that pulls objects toward each other and keeps them in orbit. Learn how gravity works, how it affects Earth and the universe, and how NASA studies it.
30 lip 2023 · Gravity is the universal force that acts on objects with mass and determines the structure and evolution of the universe. Learn how Newton and Einstein explained gravity, how it works and how it affects us.
Key points: The force of gravity, or gravitational force, pulls objects with mass toward each other. We often think about the force of gravity from Earth. This force is what keeps your body on the ground. But any object with mass exerts a gravitational force on all other objects with mass.
Gravity is the force that tells massive objects how to move, and the result of the curvature of space-time by mass. Learn about its history, from Newton to Einstein, and its quantum and cosmological mysteries.
