Home
Class 9
PHYSICS
Why are road accidents at high speeds ve...

Why are road accidents at high speeds very much worse than accidents at low speeds?

Text Solution

Verified by Experts

The road accidents at high speeds involve much large changes in momentum in much smaller time. Therfore, forces developed (change in momentum//time) are very huge resulting in disaste.
Promotional Banner

Topper's Solved these Questions

  • FORCES AND LAWS OF MOTION

    PRADEEP|Exercise LONG ANSWER QUESTIONS|10 Videos

  • FORCES AND LAWS OF MOTION

    PRADEEP|Exercise VERY SHORT ANSWER QUESTIONS|29 Videos

  • FORCES AND LAWS OF MOTION

    PRADEEP|Exercise NCERT QUESTIONS|30 Videos

  • FLOTATION

    PRADEEP|Exercise Problem For Practice|6 Videos

  • GRAVITATION

    PRADEEP|Exercise Model Test paper (1)|36 Videos

Similar Questions

Explore conceptually related problems

(a) What happens to the passengers travelling in the bus when the bus takes a sharp turn ? Give reasons for your answer. (b) Why are road accidennts at high speeds very much worse than road accidents at low speeds ?

Why does a motorcyclist moving along a level curve at high speed have more than a cyclist moving along the same curve at low speed?

After travelling 200 km a train met with an accident and its speed became 4/5th of its actual speed and reached 45 minutes late. If this accident had happened after 40 more kms the train would have reached the station 30 minutes late. Find out the distance and speed of train.

After travelling a distance of 50 km train meets with an accident and its speed becomes 3/4th of its actual speed and reaches 35 minutes late. If this accident had occurred after travelling 24 km more train would have reached the station 25 minutes late. Find out the distance and speed of train.

High speed winds are accompanied by :

PRADEEP-FORCES AND LAWS OF MOTION-SHORT ANSWER QUESTIONS
  1. Define momentum of a body.

    Text Solution

    |

  2. It is easier to stop a tennis balll than a cricket ball moving with th...

    Text Solution

    |

  3. Why are road accidents at high speeds very much worse than accidents a...

    Text Solution

    |

  4. Calculate momentum of a toy car of mass 300g moving with a speed of 18...

    Text Solution

    |

  5. A body of mass 30kg has a momentum of 150kg m//s. What is the velocity...

    Text Solution

    |

  6. A ball is thrown vertically upwards. What is its momentum at the highe...

    Text Solution

    |

  7. What is one Newton force?

    Text Solution

    |

  8. What acceleration is produced by a force of 5N acting on a body of mas...

    Text Solution

    |

  9. An unloaded truck weighing 2000kg has a maximum acceleration of 0.4 m/...

    Text Solution

    |

  10. Why is it difficult to walk on a slippery road?

    Text Solution

    |

  11. Why does a gunman get a jerk on a firing a bullet?

    Text Solution

    |

  12. State the law of conservation of liner momentum.

    Text Solution

    |

  13. Name any two applications of the law of conservation of liner momentum...

    Text Solution

    |

  14. It is easier to push an empty box than to push the box full of books.W...

    Text Solution

    |

  15. When a car rounds a curve suddenly, the person inside is pushed outwar...

    Text Solution

    |

  16. A bullet thrown with a hand can be stopped eaisly, but it may kill a p...

    Text Solution

    |

  17. Show that kg-ms^(-1) and N-s represent the same quantity. Which is tha...

    Text Solution

    |

  18. No force is required to move a body uniformly along a straight line. C...

    Text Solution

    |

  19. A feather of mass 5g is dropped from a height. It is observed to fall ...

    Text Solution

    |

  20. What is force ? What is inertia ? How is inertia measured ?

    Text Solution

    |