SSC Steno Grade C and D 16 Oct 2011 Paper

Question : 80 of 200

Marks: +1, -0

Railway tracks are banked on curves so that

Necessary centrifugal force may be obtained from the horizontal component of the weight of the train
No frictional force may be produced between the tracks and the wheels of the train
Necessary centripetal force may be obtained from the horizontal component of the weight of the train
The train may not fall down inwards

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