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In classical mechanics, free fall is any motion of a body where gravity is the only force acting upon it. In the context of general relativity, where gravitation is reduced to a space-time curvature, a body in free fall has no force acting on it.
freefall, in mechanics, state of a body that moves freely in any manner in the presence of gravity. The planets, for example, are in free fall in the gravitational field of the Sun.
- The Editors of Encyclopaedia Britannica
Sep 12, 2022 · For the ideal situations of these first few chapters, an object falling without air resistance or friction is defined to be in free fall. The force of gravity causes objects to fall toward the center of Earth.
Any object that is being acted upon only by the force of gravity is said to be in a state of free fall. There are two important motion characteristics that are true of free-falling objects: Free-falling objects do not encounter air resistance.
Learn the key terms and skills for acceleration due to gravity and freefall motion, with examples and exercises. See common mistakes and misconceptions, and join the conversation with other learners.
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Jan 14, 2019 · Free fall is the motion of a body where its weight is the only force acting on an object. Free Fall : This clip shows an object in free fall. Galileo also observed this phenomena and realized that it disagreed with the Aristotle principle that heavier items fall more quickly.
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Learn about the factors that affect the acceleration due to gravity and how to perform experiments to test them. Explore the history of Galileo's discovery of the free fall and his method of scientific observation.
