Physics · Mechanics
Why are railway tracks banked on curves?
- 1To minimize the gravitational force on the train
- 2To increase frictional force between the tracks and wheels
- 3To provide the necessary centripetal force from the horizontal component of the normal reaction✓
- 4To prevent the tracks from expanding due to heat friction
Correct answer
To provide the necessary centripetal force from the horizontal component of the normal reaction
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