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What is the weight of the body at the centre of the earth?

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in Engineering Physics I by (558k points)
What is the weight of the body at the centre of the earth?

(a) Infinity

(b) Same as the weight of the body on the earth

(c) Zero

(d) Cannot be determined

I got this question in examination.

Origin of the question is Gravitational Potential Field in section Mechanical Properties of Solids of Engineering Physics I

1 Answer

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The correct answer is (c) Zero

For explanation: The weight of the body at the centre of the earth is zero. This is because the value of g is zero at the centre of the earth.

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