AIPMT PRELIMS 2000 Physics Gravitational Force MCQ Question
A body of weight 72 N moves from the surface of earth at a height half of the radius of the earth, then gravitational force exerted on it will be:
36 N
32 N
144 N
50 N
Correct Answer
Detailed Explanation
The gravitational force decreases with the square of the distance from the center of the Earth. At half the radius, the force is reduced to 36 N.
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