On a railway curve, the outside rail is laid higher than the inside one so that resultant force exerted on the wheels of the rail car by the tops of the rails will
Be vertical
Equilibriate the centripetal force
Have a horizontal inward component
Be decreased
A
Equilibriate the centripetal force
B
Be vertical
C
Be decreased
D
Have a horizontal inward component
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Solution
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The horizontal inward component provides required centripetal force
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