Home
Class 12
PHYSICS
If an elevator is moving vertically up w...

If an elevator is moving vertically up with an acceleration 'a', the force exerted on the floor by a passenger of mass M is

A

M a

B

M g

C

Mg - Ma

D

Mg + Ma

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • WAVES

    MBD PUBLICATION|Exercise QUESTION BANK|295 Videos

Similar Questions

Explore conceptually related problems

A man of weight W is standing on a lift which is moving up words with an acceleration 'a' . The apparent weight of the man is

A packet of weight W is dropped with the help of a parachuate and on striking the ground comes to rest with retardation equal twice the acceleration due to gravity. What is the force exerted on the ground

A particle of mass 100g is thrown vertically upwards with a speed of 5 m/s. What is the work done by the force of gravity during the time the particle goes up ?

A particle moving with a uniform acceleration 24m and 64m in the first two consecutive interval of 4 seconds each . It's initial velocity is

A lift is going up with an acceleration 4g. A man is inside the lift and his mass is 'm'. What will be the reaction of the floor on the man?

An elevator and it's load weight a total of 1600 kg. If the elevator originially moving downward at 20 m/sec is brought to rest with constant acceleration in a distance of 50 m, then tension T is how much

MBD PUBLICATION-WORK, ENERGY AND POWER-QUESTION BANK
  1. A bullet of mass m, moving with a velocity u stikes a suspended wooden...

    Text Solution

    |

  2. A long spring stretched by 2 cm and it's potential energy is U. If the...

    Text Solution

    |

  3. If an elevator is moving vertically up with an acceleration 'a', the f...

    Text Solution

    |

  4. A man of weight W is standing on a lift which is moving up words with ...

    Text Solution

    |

  5. Two masses of 1 gm and 9 g are moving with equal kinetic energies, the...

    Text Solution

    |

  6. A ball of mass 2 kg and another of mass 4 kg are dropped together from...

    Text Solution

    |

  7. The distance from the earth's surface at which the acceleration due to...

    Text Solution

    |

  8. An elevator weighing 500 kg is to be lifted up at a constant velocity ...

    Text Solution

    |

  9. A light body and heavy body have same linear momentum. Which one has g...

    Text Solution

    |

  10. An elevator which can carry a maximum load of 1800 kg (elevator + pass...

    Text Solution

    |

  11. The kinetic energy of a body is increased by 300 % .The momentum of th...

    Text Solution

    |

  12. Two bodies of mass 1 kg and 2 kg have equal momentum. The ratio of the...

    Text Solution

    |

  13. Sand drops fall vertically at the rate of 2 kg/sec on to a conveyor be...

    Text Solution

    |

  14. A bullet when fired at a target has its velocity decreased to 50% afte...

    Text Solution

    |

  15. A body starts from rest and acquires a velocity V in time T. The work ...

    Text Solution

    |

  16. An athlete of mass 60 kg skips at the rate of 20 steps per minute thro...

    Text Solution

    |

  17. A rifle bullet loses 1/20th of its velocity in passing through a plank...

    Text Solution

    |

  18. The power engine which accelerates a car of mass 800 kg to a speed of ...

    Text Solution

    |

  19. A tank of 2xx2xx3 is to be filled with water from a well of average de...

    Text Solution

    |

  20. If the momentum of certain body be increased by 50%, it's K.E. will in...

    Text Solution

    |