Home
Class 12
PHYSICS
A body of mass 32 kg is suspended by a s...

A body of mass `32 kg` is suspended by a spring balance from the roof of vertically operating lift and going downwards from rest. At the instant the lift has covered 20 m and 50 m, the spiring balance showed 30 kg and 36 kg respectively. The velocity of the lift is

A

decreasing at 20 m and increasing at 50 m. (

B

increasing at 20 m and decreasing at 50 m.

C

continuously decreasing at a steady rate throughout the journey

D

constantly increasing at constant rate throughout the journey.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MAJOR TEST 2

    NEET MAJOR TEST (COACHING)|Exercise PHYSICS|45 Videos

  • MAJOR TEST 4

    NEET MAJOR TEST (COACHING)|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

A body of mass 50 kg is suspended using a spring balance inside a lift at rest. If the lift startts falling freely, the reading of the spring balance is

A body of mass 2 kg is hung on a spring balance mounted vertically in a lift. If the lift descends with an acceleration equal to the acceleration due to gravity ‘ g ’, the reading on the spring balance will be

A man of mass 60 kg is standing on a spring balance inside a lift. If the lift falls downwards, then the reading of the spring balance will be:-

A body of 2 kg is suspended on a spring balance hung vertically in a lift . If the lift is falling downward under acceleration due to gravity g then what will be the reading of the balance ? If going upward with the same acceleration then ?

A mass of 10 kg is hung to a spring balance in lift. If the lift is moving with an acceleration g//3 in upward & downward directions, choose the correct options related to the reading of the spring balance.

A body of mass 1 kg is lifted through a height of 1m, then its work done is

A body of mass 30kg is hung by a spring balance in a lift. What would be the reading of the balance when the lift is (i) descending with a constant velocity of 5m//s (ii) ascending with a constant velocity of 10m//s .

An object is suspended from a spring balance in a lift. The reading is 240 N when the lift is at rest. If the spring balance reading now change to 220N, then the lift is moving

A block of mass 4 kg and volume 5xx10^(-4) m^(3) is suspended by a spring balance in a lift which is accelerating. The apparent weight shown by the spring balance is 3 kg. Now the block is immersed in water in kg shown by the spring balance is

NEET MAJOR TEST (COACHING)-MAJOR TEST 3-PHYSICS
  1. Two particles A and B are projected simultaneously in the direction sh...

    Text Solution

    |

  2. At 27^(@)C, a gas is suddenly compressed such that its volume becomes...

    Text Solution

    |

  3. A body of mass 32 kg is suspended by a spring balance from the roof of...

    Text Solution

    |

  4. A circular road of radius 50m has the angle of banking equal to 30^(@)...

    Text Solution

    |

  5. A lens has a power of 10 D, when placed in air. When it is immersed in...

    Text Solution

    |

  6. A water pump lifts water at the rate of 5 litre per second through an ...

    Text Solution

    |

  7. Figure. Shows a small loop carrying a current I. The curved portion is...

    Text Solution

    |

  8. Two particles are oscillating along two close parallel straight lines ...

    Text Solution

    |

  9. A parallel plate capacitor having capacitance 0.5mu is taken. Plates a...

    Text Solution

    |

  10. A surface s =10hatj is kept in an electric field. E = 2hati+4hatj+7ha...

    Text Solution

    |

  11. In PEE, value of K (max) is equal to K (0). If frequency of light is d...

    Text Solution

    |

  12. A Carnot's engine is made to work between 200^(@)C and 0^(@)C first an...

    Text Solution

    |

  13. In the given diagram substance A(Zn) and substance B(Mn) are placed at...

    Text Solution

    |

  14. Three masses M(1), M(2) and M(3) are lying on a frictionless table. Th...

    Text Solution

    |

  15. A monoatomic gas at pressure P(1) and volume V(1) is compressed adiaba...

    Text Solution

    |

  16. The electric field at a distance (3R)/2 from the centre of a charged ...

    Text Solution

    |

  17. A solid cylinder starts rolling from a height h on an inclined plane. ...

    Text Solution

    |

  18. Which of the following gate gives low output, when at least one input ...

    Text Solution

    |

  19. Which of the following gate gives low output, when at least one input ...

    Text Solution

    |

  20. Two rods of copper and brass having the same length and cross - sectio...

    Text Solution

    |