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Assertion (A) : The gravitational potential of a city is determined by the combined impact of centripetal and centrifugal forces.

Reason (R) : Cities are endowed with multifunctional character.
Codes :

  • A.Both (A) and (R) are true and (R) is the correct explanation of (A).
  • B.Both (A) and (R) are true, but (R) is not the correct explanation of (A).
  • C.(A) is true and (R) is false.
  • D.(A) is false, but (R) is true.

Answer: B

Both the assertion and the reason are true, but the reason is not the correct explanation, according to the key. The gravitational potential of a city is determined by the combined impact of the centripetal forces that attract people and activity and the centrifugal forces that push them out, and cities do have a multifunctional character.

The multifunctional character is a general feature of cities and does not explain how the pull and push forces combine, so the first option, in which the reason explains the assertion, is wrong.

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