Home
Class 11
PHYSICS
The total mass of an elevator with a 80 ...

The total mass of an elevator with a 80 kg man in it is 1000 kg. This elevator moving upward with a speed of ` 8 ms^-1` is brought to rest over a distance of 16 m. Calculate
the force exerted on man by the elevator floor.

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

The total mass of an elevator with a 80 kg man in it is 1000 kg. This elevator moving upward with a speed of 8 ms^-1 is brought to rest over a distance of 16 m. Calculate the tension T in the cable supporting the elevator

A bullet of mass 0.04 kg moving with a speed of 90 ms^-1 enters a heavy wooden block and is stopped after a distance of 60 cm. What is the average resistive force exerted by the block on the bullet?

A car of mass 1000 kg moving with a velocity of 36 km/h comes to rest in 5 seconds. What is the force exerted on the car?

A man of mass 70 kg stands on a weighing scale in a lift which is moving :- upwards with a uniform speed of 10 m s^-1 , what would be the reading on scale?

An elevator of total mass (elevator+ passenger) 3600 kg in moving up with a constant speed of 2 ms^-1 . A frictional force of 1300 M opposes its motion. Determine the minimum power delivered by the motor to the elevator.

A car of mass 1000 kg moves on a circular road with a speed of 20 ms^-1 . Its direction changes by 90^@ after travelling 628 m on the road. The centripetal force acting on the car is

A car of mass 1000 kg starts from rest and comes down an inclined slope. If it travels a distance of 300 m in 30 seconds, calculate force acting on the bus

An object of mass 100 kg is accelerated uniformly from a velocity of 5 ms^(-1) to 8 ms^( -1) in 6s. Calculate the initial and final momentum of the object. Also find the force exerted on the object.

A man of mass 70 kg stands on a weighing scale in a lift which is moving :- upwards with a uniform acceleration of 5 m s^-2 . What would be the readings on the scale in each case?

MBD-LAWS OF MOTION-EXAMPLE
  1. A piece of uniform string hangs vertically so that its free end just t...

    Text Solution

    |

  2. Two particles of equal masses m and m are connected by a light string ...

    Text Solution

    |

  3. The total mass of an elevator with a 80 kg man in it is 1000 kg. This ...

    Text Solution

    |

  4. The total mass of an elevator with a 80 kg man in it is 1000 kg. This ...

    Text Solution

    |

  5. A truck starts from rest and accelerates uniformly at 2.0 m s^-2. At t...

    Text Solution

    |

  6. A truck starts from rest and accelerates uniformly at 2.0 m s^-2. At t...

    Text Solution

    |

  7. Is linear momentum a scalar or a vector quantity?

    Text Solution

    |

  8. Rockets can move in airfree space but jet planes cannot. Why?

    Text Solution

    |

  9. Is earth an inertial frame of reference?

    Text Solution

    |

  10. Why are tyres made circular?

    Text Solution

    |

  11. Is friction independent of actual area orf contact?

    Text Solution

    |

  12. Carts with rubber wheels are easier to ply than those with iron wheels...

    Text Solution

    |

  13. Why is itmore difficult to catch a cricket ball than to catch a tennis...

    Text Solution

    |

  14. What happens to a stone tied to the end of a string and whirled in a c...

    Text Solution

    |

  15. Why is it difficult to walk on ice?

    Text Solution

    |

  16. Two masses 8 kg and 12 kg are connected at the two ends of a light ine...

    Text Solution

    |

  17. How does Newton's first law of motion leads to the definition of force...

    Text Solution

    |

  18. Define momentum of a body. Also give its units.

    Text Solution

    |

  19. Determine aparent weight of a person in a lift when lift is moving u...

    Text Solution

    |

  20. Angle of friciton (theta) and angle of repose (a) are related as

    Text Solution

    |