Given below are two statements:
 Assertion (A): A safe turn by a cyclist should neither be fast nor sharp. Reason (R): The bending angle from the vertical would decrease with an increase in velocity.

 1 Both (A) and (R) are True and (R) is the correct explanation of (A). 2 Both (A) and (R) are True but (R) is not the correct explanation of (A). 3 (A) is True but (R) is False. 4 Both (A) and (R) are False.

Subtopic: Â Banking of Roads |
Â 56%
From NCERT
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Given below are two statements:
 Assertion (A): When a cyclist doubles his speed of turning, the chance of his skidding becomes nearly four times. Reason (R): When the speed of the vehicle increases, the angle of bending also increases.

 1 Both (A) and (R) are true and (R) is the correct explanation of (A). 2 Both (A) and (R) are true but (R) is not the correct explanation of (A). 3 (A) is true but (R) is false. 4 Both (A) and (R) are false.
Subtopic: Â Banking of Roads |
From NCERT
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Given below are two statements:
 Assertion (A): Improper banking of roads causes wear and tear of tyres. Reason (R): The necessary centripetal force in that event is provided by the force of friction between the tyres and the road.

 1 Both (A) and (R) are True and (R) is the correct explanation of (A). 2 Both (A) and (R) are True but (R) is not the correct explanation of (A). 3 (A) is True but (R) is False. 4 Both (A) and (R) are False.
Subtopic: Â Banking of Roads |
Â 68%
From NCERT
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Given below are two statements:
 Assertion (A): On a banked curved track, the vertical component of normal reaction provides the necessary centripetal force. Reason (R): Centripetal force is not always required for turning.

 1 Both (A) and (R) are true and (R) is the correct explanation of (A). 2 Both (A) and (R) are true but (R) is not the correct explanation of (A). 3 (A) is true but (R) is false. 4 Both (A) and (R) are false.
Subtopic: Â Banking of Roads |
Â 55%
From NCERT
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Given below are two statements:
 Assertion (A): Banking of roads provides the necessary centripetal force. Reason (R): One part of the normal reaction of the automobile gives necessary centripetal force.

 1 Both (A) and (R) are True and (R) is the correct explanation of (A). 2 Both (A) and (R) are True but (R) is not the correct explanation of (A). 3 (A) is True but (R) is False. 4 Both (A) and (R) are False.

Subtopic: Â Banking of Roads |
Â 72%
From NCERT
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Given below are two statements:
 Assertion (A): On a rainy day, it is difficult to drive a car or a bus at a high speed. Reason (R): The value of the coefficient of friction is lowered when the surface is wetted.

 1 Both (A) and (R) are True and (R) is the correct explanation of (A). 2 Both (A) and (R) are True but (R) is not the correct explanation of (A). 3 (A) is True but (R) is False. 4 Both (A) and (R) are False.
Subtopic: Â Banking of Roads |
Â 87%
From NCERT
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Given below are two statements:
 Assertion (A): A cyclist leans inwards while taking a turn, while a man sitting in a car leans outward on a curve. Reason (R): Centripetal acceleration is acting towards the centre of the curve.

 1 Both (A) and (R) are True and (R) is the correct explanation of (A). 2 Both (A) and (R) are True but (R) is not the correct explanation of (A). 3 (A) is True but (R) is False. 4 Both (A) and (R) are False.
Subtopic: Â Banking of Roads |
Â 56%
From NCERT
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