Railway tracks are banked on curves


Options: necessary centrifugal force may be obtained from the horizontal component weight of the train,    to avoid frictional force between the tracks and wheels,    necessary centripetal force may be obtained from the horizontal component of the weight of the train,    the train may not fly off in the opposite direction

Ans:C,C


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Asked in: KCC-2018   |   JOA 556-2018  |  HRTC JTO-2017

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