A car moving on a horizontal road may be thrown out of the road in taking a turn :

By the gravitational force

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Due to lack of sufficient centripetal force

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Due to friction between road and the tyre

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Due to reaction of earth

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Solution

The correct option is B Due to lack of sufficient centripetal force
When an object takes a turn two forces come to act.
1. centripetal force
2. centrifugal force
Centripetal force acts inward (towards the centre of the circular turn). This is provided by the frictional force. When the speed is large, required centripetal force to stay in the circular path increases. But friction is unable to provide large centripetal force and hence the body is thrown outwards.

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