Home
Class 12
PHYSICS
The mass of a lift is 2000kg . When the ...

The mass of a lift is `2000kg` . When the tensioon in the supporting cable is `28000N` , then its acceleration is.

A

14 `ms^(–2)` upwards

B

30 `ms^(–2)` downwards

C

4`ms^(–2)` upwards

D

4 `ms^(–2)` downwards

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • NEWTON'S LAWS OF MOTION & FRICTION

    MOTION|Exercise Exercise - 3 Section-B|12 Videos
  • NEWTON'S LAWS OF MOTION & FRICTION

    MOTION|Exercise Exercise - 2 SECTION-F :- Direction of friction, Pulley Block system on horizontal plane, Pulley Block system on inclined plane, Two Block system, Two Block on Inclined plane|3 Videos
  • MODERN PHYSICS -1

    MOTION|Exercise EXERCISE-4 ( LEVEL- II)|39 Videos
  • NLM & FRICTION

    MOTION|Exercise EXERCISE-4 ( LEVEL-II)|15 Videos

Similar Questions

Explore conceptually related problems

An elevator weighs 4000kg When the upward tension in the supporting cable is 48000 N what is the upward acceleration? Starting from rest, how far does it rise in 3 seconds ?

When a liftman takes 5 persons in a lift, the totla mass of the lilft and the 5 persons becomes 800 kg. What is the tension in the supporting cable, if the lift ascends with an acceleration of 2m//s^(2) ? (g=10m//s^(2)

An elevator weighing 5000 kg is moving upward and tension in the supporting cable is 5000 N . Find upward acceleration . Starting from rest , how far does it rise in 10 secound ?

An elevator and its load weigh a total of 1600 kg. Find the tension T in the supporting cable when the elevator, originally moving downward at 20 m/s is brought to rest with constant acceleration in a distance of 50 m.

An elevator and its load weigh a total of 166 kg. Find the tension T in the supporting cable when the elevator, originally moving downwards at 20m//s is brought to rest with constant acceleration in a distance of 50 m.

An elevator and its load wiegh a total of 1600 lb. Find the tension T in the supporting cable when the elevator, originally moving downwards at 20 ft/s is brought to rest with constant acceleration in a distance of 50 ft.

An elevator and its load weigh a total of 800kg Find the tension T in the supporting cable when the elevator originally moving downwards at 20m//s is brought to rest with constant retardation in a distnce of 50m .

The mass of lift is 500 kg. When it ascends with an acceleration of 2m//s^(2) ,the tension in the cable will be [g=10m//s^(2)]

MOTION-NEWTON'S LAWS OF MOTION & FRICTION -Exercise - 3 Section-A
  1. A person is standing in an elevator. In which situation he finds his w...

    Text Solution

    |

  2. A person used force (F) , shown in figure to move a load with constant...

    Text Solution

    |

  3. The ratio of gravitational mass to inertial mass is equal to:

    Text Solution

    |

  4. The mass of a lift is 2000kg . When the tensioon in the supporting cab...

    Text Solution

    |

  5. A body, under the action of a force vec(F)=6hati -8hatj+10hatk , acqui...

    Text Solution

    |

  6. A monkey of mass mkg slides down a light rope attached to a fixed spri...

    Text Solution

    |

  7. A block of mass m is in contact with the cart C as shown in The coeffi...

    Text Solution

    |

  8. A person of mass 940 kg and presses the button on control panel. Then ...

    Text Solution

    |

  9. A body mass M hits normally a rigid wall with velocity v and bounces b...

    Text Solution

    |

  10. Assertion: The driver in a vechicle moving with a constant speed on a ...

    Text Solution

    |

  11. A system consists of three masses m(1),m(2) " and " m(3) connected by ...

    Text Solution

    |

  12. The force F acting on a partical of mass m is indicated by the force-t...

    Text Solution

    |

  13. A balloon carring some sand is moving down with a constant acceleratio...

    Text Solution

    |

  14. A block A of mass m(1) rests on a horizontal table. A light string con...

    Text Solution

    |

  15. Three blocks A , B and C of masses 4kg , 2kg and 1kg respectively are ...

    Text Solution

    |

  16. A sphere of radius 25 cm and mass 1 kg is hung by a string of negligib...

    Text Solution

    |

  17. Find tension in string if theta = 30^(@) and the mass hanged in middl...

    Text Solution

    |

  18. During the rocket propulsion, gases ejecting with velocity 1 km/s rela...

    Text Solution

    |

  19. Two block A and B of masses 3m and m respectively are connected by a m...

    Text Solution

    |

  20. A block of mass m is placed on a smooth inclined wedge ABC of inclinat...

    Text Solution

    |