Railway tracks are banked on curves – McqOptions

MCQOPTIONS

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

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