Home
Class 11
PHYSICS
A lift of mass 1000 kg is going up. The ...

A lift of mass 1000 kg is going up. The variation in the speed of lift is shown in figure. Then the minimum tension in the rope will be `(g=10 m//s^(2))`

A

Zero

B

10000N

C

12000M

D

8000 N

Text Solution

Verified by Experts

The correct Answer is:
D
`1000g -T=1000xx2`
`T=8000N`.
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC FIELD AND FORCES

    RESONANCE|Exercise Exercise|65 Videos

  • NUCLEAR PHYSICS

    RESONANCE|Exercise Exercise|43 Videos

Similar Questions

Explore conceptually related problems

A lift is going up. The total mass of the lift and the passengers is 1500 kg . The variation in the speed of the lift is given by the graph shown in Fig . What will be the tension in the rope pulling the lift at (i) t = 1 s , (ii) t =6 s (iii) t = 11 s ? What is the height to which the lift takes the passengers ? During the course of entirs motion What is the average velocity and average acceleration of the lift ? Taken g = 9.8 m//s^(2) .

A lift is moving in upward direction. The totol mass of the lift an the passengers is 1600 kg. The variation of the velocity of the lift is as shown in the figure. The tension in the rope at t=8^(th) second will be

A lift is going up. The total mass of the lift and the passengers is 2000kg . The variation of speed of the lift is as shown in the diagram (a) What will be the tension in the rope pulling the lift at time equal to (i) 1s (ii) 6s (iii) 12s ? (b) What will be the average velocity and average acceleration during motion?

A lift is going up. The total mass of the lift and the passengers is 1500kg. The variation in the speed of the lift is given by the graph. (a) What will be the tension in the rope pulling the lift at time t equal to (i) 1a, (ii) 6s, (iii)11s ? (b) What will be the average velocity and the average acceleration during the course of the entire motion?

A 'block' of mass 10 kg is suspended with string as shown in figure. Find tension in the string. (g=10m//s^(2))

A lift is going up. The variation in the speed of the lift is as given in the graph in the graph. What is the height to which the lift takes the passengers ?

A lift is going up. The total mass of the lift and the passenger is 1500kg. The variation in the speed of the graph. The tension in the rope pulling the lift at t=11^(th) sec will be

A block of mass 6 kg is kept in equilibrium with the help of strings as shown in figure. The tension in string PQ is (g = 10 m/s2)

A rope of mass 5 kg is hanging between two supports as shown. The tension at the lowest point of the rope is close to (take g = 10 m//s^(2) )

RESONANCE-NEWTONS LAWS OF MOTION AND FRICTION-Exercise
  1. A perfectly straight protion of a uniform rope has mass M and length L...

    Text Solution

    |

  2. Three blocks A,B and C of mass 10 kg each are hanging on a string pass...

    Text Solution

    |

  3. A lift of mass 1000 kg is going up. The variation in the speed of lift...

    Text Solution

    |

  4. Figure shown two pulley arrangments for lifting a mass m . In case-1, ...

    Text Solution

    |

  5. A person is standing in an elevator. In which situation he finds his w...

    Text Solution

    |

  6. A horizontal force of 10 N is necessary to just hold a block stationar...

    Text Solution

    |

  7. A block of mass 4 kg is kept on ground. The co-efficient of friction b...

    Text Solution

    |

  8. What is the maximum value of the force F such that the block shown in ...

    Text Solution

    |

  9. An external force of 6N is applied on body at rest at time t=0, at t=1...

    Text Solution

    |

  10. If the coefficient of friction between A and B is mu, the maximum acce...

    Text Solution

    |

  11. A block of mass 5 kg and surface area 2m^(2) just begins to slide down...

    Text Solution

    |

  12. A smooth block is released at rest on a 45^(@) incline and then slides...

    Text Solution

    |

  13. Figure shows a block kept on a rough inclined plane. The maximum exter...

    Text Solution

    |

  14. A bead of mass m is located on a parabolic wire with its axis vertical...

    Text Solution

    |

  15. A student pulls a wooden box along a rough horizontal floor( without t...

    Text Solution

    |

  16. A box 'A' is lying on the horizontal floor the compartment of a train ...

    Text Solution

    |

  17. A block A of mass 2 kg rests on another block B of mass 8 kg which res...

    Text Solution

    |

  18. A weight w is to be moved from the bottom to the top of an inclined pl...

    Text Solution

    |

  19. In the arrangements shown in the figure there is friction only between...

    Text Solution

    |

  20. Starting from rest a body slides down a 45^(@) inclined plane in twice...

    Text Solution

    |