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Question: Answered & Verified by Expert
A point mass of \(10 \mathrm{~kg}\) is placed at the centre of earth. The weight of the point mass is
PhysicsGravitationAP EAMCETAP EAMCET 2020 (21 Sep Shift 1)
Options:
  • A zero
  • B \(98 \mathrm{~N}\)
  • C \(49 \mathrm{~N}\)
  • D \(10 \mathrm{~N}\)
Solution:
1856 Upvotes Verified Answer
The correct answer is: zero
At the centre of earth, gravitational acceleration \(g\) is zero.
Hence, weight of point mass,
\(w=m g=10 \times 0=0\)

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