CBSE Class 9 Answered
<div>why at the center of the earth gravity is zero?Explain it mathematically with example.</div>
Asked by abinash.gupta003 | 09 Sep, 2016, 06:20: PM
Acceleration due to gravity g' at a point below the Earth at a depth 'd' is

Answered by Romal Bhansali | 12 Sep, 2016, 11:14: AM
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