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In order to stop a car in shortest dista...

In order to stop a car in shortest distance on a horizontal road, one should

A

apply the brakes very hard, so that thw wheels stop rotating.

B

apply the brakes hard enough to just prevent slipping.

C

press and release the brakes.

D

shut the engine off and should not apply brakes.

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MODERN PUBLICATION-Competitive Exam Question-Exercise
  1. Brakes of very small contact area are not used although friction is in...

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  2. Decrease of which one of the following quantiities enables us to trans...

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  3. Which of the following surface in contact has maximum coefficient of f...

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  4. Proper inflation of tyres saves fuel. this is because:

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  5. Why are tyres made circular?

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  6. When walkin on ice,is it better to take short or long steps?Explain.

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  7. A body begins to slide over the surface of another, when pulled with a...

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  8. A body of mass 10 kg is sliding down a rough inclined plane which mak...

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  9. A man holds a book weighing 10 N between hands and keeps it free from ...

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  10. A fireman ofof mass 60 kg is holding a vertical pole. The coefficient ...

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  11. When milk is churned, cream separates out because of the

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  12. A particle is taken round a circle by the application of force. The wo...

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  13. Certain neutron stars (extremely dense stars) are believed to be rotat...

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  14. Two particles of equal masses are revolving in circular paths of radii...

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  15. The ratio of the linear velocities of points at distance r and r//4 fr...

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  16. A car is taking a sudden turn to the left. A passenger in the front se...

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  17. Two cars of unequal masses are having similar tyres. If they are movin...

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  18. In order to stop a car in shortest distance on a horizontal road, one ...

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  19. The maximum speed that can be achieved without skidding by a car on a ...

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  20. An automobile is moving on a horizontal road with a speed v. If the co...

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