AIIMS 2001 Physics Weight Variation MCQ Question
A body weighed 250 N on the surface assuming the earth to be a sphere of uniform mass density, how much would it weigh half way down to the centre of the earth?
195 N
125 N
240 N
210 N
Correct Answer
Detailed Explanation
Weight inside the Earth decreases linearly with distance from the center. At half the radius, weight is half of the surface weight.
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