define free fall
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In Newtonian physics, free fall is any motion of a body where gravity is the only acceleration 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.
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1.
downward movement under the force of gravity only.
"the path of a body in free fall"
1.
move under the force of gravity only; fall rapidly.
- "I was free-falling and was quickly 1,000 ft below him"
Explanation:
- In Newtonian physics, free fall is any motion of a body where gravity is the only force acting upon it. ... Thus, falling through an atmosphere without a deployed parachute, or lifting device, is also often referred to as free fall.
- Free Fall. The motion of falling objects is the simplest and most common example of motion with changing velocity. ... This is because the amount of force acting on an object is a function of not only its mass, but also area. Free fall is the motion of a body where its weight is the only force acting on an object.
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