Home
Class 9
PHYSICS
A car of mass 480 kg moving at a speed o...

A car of mass 480 kg moving at a speed of 54 km per hour is stopped in 10 s. Calculate the force applied by the brakes.

Text Solution

Verified by Experts

720 N
Promotional Banner

Topper's Solved these Questions

  • LAWS OF MOTION

    ICSE|Exercise EXERCISE - 3(D)|17 Videos
  • LAWS OF MOTION

    ICSE|Exercise EXERCISE - 3(D) (Mutliple Choice type)|2 Videos
  • LAWS OF MOTION

    ICSE|Exercise EXERCISE - 3(C) Multiple Choice type|4 Videos
  • ICSE ANNUAL EXAMINATION -2020

    ICSE|Exercise SECTION-II|45 Videos
  • LIGHT

    ICSE|Exercise TOPIC 2 Spherical Mirrors (4 Marks Questions )|9 Videos

Similar Questions

Explore conceptually related problems

A van of mass 1500kg travelling at a speed of 54 km h^(-1) is stopped in 10 s Assuming that all the mechanical energy lost appears as thermal energy in the brakes find the average rate of production of thermal energy in cal s^(-1)

A car having a mass of 1000 kg is moving at a speed of 30 "metres"//"sec" . Brakes are applied to bring the car to rest. If the frictional force between the tyres and the road surface is 5000 newtons, the car will come to rest in

A hammer of mass 1 kg moving with speed of 6 ms^(-1) strikes a wall and comes to rest in 0.1 s . Calculate (i) the impules of force (ii) the retardation of the hammer , and (iii) the retarding that stops the hammer .

A car weighing 1400 kg is moving at speed of 54 km/h up a hill when the motor stops. If it is just able to read the destination which is at a height of 10 m above the point calculte the work done against friction (negative of the work done by the friction).

A car travelling at a speed of 30 km per hour is brought to rest in 8 metres by applying brakes. If the same car is travelling at 60 km per hour, it can be brought tor est with the same braking force at a distance of

A motor car is moving with a velocity of 108 km//h and it takes 4 second to stop after the brakes are applied. Calculate the force exerted by the brakes on the motorcar if its mass along with the passenger is 1000 kg .

A body of mass 70 kg travels with a speed of 15 km/hour. Calculate the de-Broglie wavelength of the body.

A block of mass 5 kg is moving with a speed of 8 m/s. A force of 10 N is applied on it for 3 s . Find the final speed of the block if the force is applied (i) along the motion , (ii) opposite to the motion and (iii) normal to the initial direction of motion of the block.

A car having a mass of 1000 kg is moving at a seed of 30 metres/sec. Brakes are applied to bring the car to rest if the frictional force between the tyres and the road surface is 5000 newtons,the car will come to reast in

A car moves at a constant speed of 56.4 km per hour. How much distance does it cover in 3.5 hours ?

ICSE-LAWS OF MOTION-EXERCISE - 3(C) (Numericals)
  1. A force of 10 N acts on a body of mass 5 kg. Find the acceleration pro...

    Text Solution

    |

  2. Calculate the magnitude of force which when applied on a body of mass ...

    Text Solution

    |

  3. A force of 10 N acts on a body of mass 2 kg for 3s , initially at rest...

    Text Solution

    |

  4. A force of 10 N acts on a body of mass 2 kg for 3s , initially at rest...

    Text Solution

    |

  5. A force acts for 10 s on a stationary body of mass 100 kg, after which...

    Text Solution

    |

  6. A force acts for 10 s on a stationary body of mass 100 kg, after which...

    Text Solution

    |

  7. A force acts for 10 s on a stationary body of mass 100 kg, after which...

    Text Solution

    |

  8. Fig. shows the velocity-time graph of a particle of mass 100 g moving...

    Text Solution

    |

  9. A force causes an acceleration of 10 m s^(-2) in a body of mass 500 g....

    Text Solution

    |

  10. A cricket ball of mass 150 g moving at a speed of 25 ms^(-1) is brough...

    Text Solution

    |

  11. A force acts for 0.1 s on a body of mass 2 kg initially at rest. The f...

    Text Solution

    |

  12. A body of mass 500 g, initially at rest, is acted upon by a force whic...

    Text Solution

    |

  13. A car of mass 480 kg moving at a speed of 54 km per hour is stopped in...

    Text Solution

    |

  14. A car is moving with a uniform velocity 30 "ms"^(-1) . It is stopped i...

    Text Solution

    |

  15. A car is moving with a uniform velocity 30 "ms"^(-1) . It is stopped i...

    Text Solution

    |

  16. A car is moving with a uniform velocity 30 "ms"^(-1) . It is stopped i...

    Text Solution

    |

  17. A bullet of mass 50 g moving with an initial velocity 100 "m s"^(-1) ...

    Text Solution

    |

  18. A bullet of mass 50 g moving with an initial velocity 100 "m s"^(-1) ...

    Text Solution

    |

  19. A bullet of mass 50 g moving with an initial velocity 100 "m s"^(-1) ...

    Text Solution

    |

  20. A bullet of mass 50 g moving with an initial velocity 100 "m s"^(-1) ...

    Text Solution

    |