

MCQOPTIONS
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1. |
Railway tracks are banked on curves so that |
A. | ecessary centrifugal force may be obtained from the horizontal component of the weight of the train |
B. | o frictional force may be produced between the tracks and the wheels of the train |
C. | ecessary centripetal force may be obtained from the horizontal component of the weight of the train |
D. | he train may not fall down inwards |
Answer» D. he train may not fall down inwards | |