Q
Railway tracks are banked on curves?
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A
A. Necessary centrifugal force may be obtained from the horizontal component weight of the train
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B
B. To avoid frictional force between the tracks and wheels
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C
C. Necessary centripetal force may be obtained from the horizontal component of the weight of the train
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D
D. The train may not fly off in the opposite direction
Correct Answer:
C. C. Necessary centripetal force may be obtained from the horizontal component of the weight of the train
