Railway tracks are banked on curves _________________ – McqOptions

MCQOPTIONS

1.	Railway tracks are banked on curves _________________
A.	to avoid frictional force between the tracks and wheels
B.	the train may not fly off in the opposite direction
C.	necessary centripetal force may be obtained from the horizontal component of the weight of the train
D.	necessary centrifugal force may be obtained from the horizontal component weight of the train
Answer» D. necessary centrifugal force may be obtained from the horizontal component weight of the train

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