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Gravitational Force

Banking of ro...

Question

Banking of roads is provided at turns to :

A

reduce intertia

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B

increase centripetal force

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C

increase fiction

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D

none of these

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Solution

The correct option is B increase centripetal force
Banking a road changes the angle of the normal reaction force, this change creates a component of the normal reaction along the radius of curvature of the road towards the centre. This provides additional centripetal force.

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Similar questions

Q. Though friction can provide necessary centripetal force, the banking of roads is considered as advantageous in highways:

Q. 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.

Q. Assertion :During a turn, the value of centripetal force should be less than the limiting frictional force. Reason: The centripetal force is provided by the frcitional force between the tyres and the road

Q. Assertion : Improper banking of roads causes wear and tear of tyres.
Reason : The necessary centripetal force is provided by the force of friction between the tyres and the road.

Select the correct option.

Q. A vehicle can travel along a curved road with a speed of

18 k m h^{- 1}

. If the total centripetal force is provided by the banking of the road and the radius of the curvature is

10

m, calculate the banking angle of the road.

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