R

Ravi Chauhan • 9.62K Points
Tutor III General Awareness 

Q. Railway tracks are banked on curves so that

  • (A) Necessary centrifugal force may be obtained from the horizontal component of the weight of the train
  • (B) Frictional force can be avoided between the tracks and wheels
  • (C) The train may not fly off in the opposite direction
  • (D) Necessary centripetal force may be obtained from the horizontal component of the weight of the train

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