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Question

# Statement I : On a banked curved road, vertical component of normal reaction provides the necessary centripetal force. Statement II : Centripetal force is always required for turning on a curved path.

A
Both the statements I and II are correct
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B
Statement I is correct and Statement II is incorrect.
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C
Both the statements I and II are incorrect.
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D
Statement I is incorrect and Statement II is correct.
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Solution

## The correct option is D Statement I is incorrect and Statement II is correct. Vertical component of normal reaction can never act as centripetal force, since it is not available to act radially towards the centre of the curve. ∴ Statement I is incorrect. Centripetal force is always required for turning, because the curve is a part of circular path. ∴ Statement II is correct.

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