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Match each balance with the force it omits.

List I

A. Geostrophic

B. Cyclostrophic

C. Inertial

List II

P. centrifugal

Q. Coriolis

R. pressure gradient

Select the correct match.

  • A.A-Q, B-P, C-R
  • B.A-R, B-P, C-Q
  • C.A-P, B-R, C-Q
  • D.A-P, B-Q, C-R

Answer: D

Geostrophic balance omits the centrifugal term, cyclostrophic balance omits the Coriolis term, and inertial motion omits the pressure gradient force. Gradient wind balance, which omits none of the three, completes the family. Presented as a table of omissions the four balances become a single coherent scheme rather than four separate facts to be memorised independently.

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