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Question: Answered & Verified by Expert
If the earth were to spin faster, acceleration due to gravity at the poles
PhysicsGravitationCOMEDKCOMEDK 2022
Options:
  • A increases
  • B decreases
  • C remains the same
  • D depends on how fast it spins
Solution:
2362 Upvotes Verified Answer
The correct answer is: remains the same
The variation of $g$ with angular velocity $\omega$ is given by
$$
g^{\prime}=g-R \omega^2
$$
If earth were to spin faster, that is angular velocity increases, then except at poles, the weight of bodies will decrease at all places.

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