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Concept of free fall for class 11 |
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Answer» ONG>Answer: In Newtonian physics: free fall is any MOTION of a body where gravity is the only force acting upon it. in this case V= u -gt. and S =ut +1/2 gt^2 all other forces like air resistance, buoyancy etc are Absent! it's an IDEAL case. a Paratrooper whose Parachute did not open YET , experience nearly a Freefall. Newtons Apple fell free and must have hit Newton on head with Velocity nearly 3.6 m/sec if the height from which it fell was 2 meters. 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. Explanation: exa |
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