Home
Class 12
PHYSICS
A man of mass 90kg is standing in an ele...

A man of mass 90kg is standing in an elevator whose cable broke suddenly. If the elevator falls, apparent weight of the man is:

A

90N

B

90g N

C

0N

D

any negative value

Text Solution

Verified by Experts

The correct Answer is:
C

Pseudo force balances weight
Promotional Banner

Topper's Solved these Questions

  • NEWTONS LAWS OF MOTION

    ALLEN|Exercise EXERCISE-II|112 Videos
  • NEWTONS LAWS OF MOTION

    ALLEN|Exercise EXERCISE-III|28 Videos
  • NEWTONS LAWS OF MOTION

    ALLEN|Exercise SWOE|44 Videos
  • NEWTON'S LAWS OF MOTION & FRICTION

    ALLEN|Exercise EXERCISE (JA)|4 Videos
  • RACE

    ALLEN|Exercise Basic Maths (Wave Motion & Dopplers Effect) (Stationary waves & doppler effect, beats)|25 Videos

Similar Questions

Explore conceptually related problems

A man of mass 90 kg is standing in a lift whose cable broke suddenly. If thelift falls freely, the force exerted by the floor on the man is

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 man of weight W is standing on a lift which is moving upward with an acceleration a. The apparent weight of the man is

A man of mass m=2kg is standing on a platform of mass M=5kg , then at any instant.

A man of mass 75 kg is standing in an elevator which is moving with an acceleration of 5 m//s^2 in upward direction.The apparent weight of the man will be (g=10 m//s^2)

A man of mass 50 kg is standing in an elevator. If elevator is moving up with an acceleration (g)/(3) then work done by normal reaction of elevator floor on man when elevator moves by a distance 12 m is (g=10 m//s^(2)) :-

In an elevator the actual weight of a person is equal to the apparent weight when .

A man of weight 80 kg is standing in an elevator which is moving with an acceleration of 6m//s^(2) in upward direction. The apparent weight of the man will be (g=10m//s^(2))

ALLEN-NEWTONS LAWS OF MOTION-EXERCISE-I
  1. A 150 g tenins ball coming at a speed of 40m/s is hit straight back by...

    Text Solution

    |

  2. Three solids of masses m(1),m(2) and m(3) are connected with weightles...

    Text Solution

    |

  3. Two blocks of masses M(1)=4 kg and M(2)=6kg are connected by a string ...

    Text Solution

    |

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

    Text Solution

    |

  5. In Newton's second vecF=mveca (for constant mass m), veca is the accel...

    Text Solution

    |

  6. A man of mass 90kg is standing in an elevator whose cable broke sudden...

    Text Solution

    |

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

    Text Solution

    |

  8. Two bodies A and B of masses 10kg and 15kg respectively kept on a smoo...

    Text Solution

    |

  9. Ten one-rupee coins are put on top of each other on a table, Each coin...

    Text Solution

    |

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

    Text Solution

    |

  11. A gramphone record is revolving with an angular velocity omega. A coin...

    Text Solution

    |

  12. A man, of mass 60kg, is riding in a lift. The weights of the man, when...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  15. Three blocks of masses m, 3m and 5m are connected by massless strings ...

    Text Solution

    |

  16. A particle of mass m rests on a horizontal floor with which it has a c...

    Text Solution

    |

  17. A car of mass 1000kg negotiates a banked curve of radius 90m on a fict...

    Text Solution

    |

  18. In the figure given, the system is in equilibrium. What is the maximum...

    Text Solution

    |

  19. Four blocks of the same mass m connected by cords are pulled by a forc...

    Text Solution

    |

  20. A 140g ball, in horizontal flight with a speed v(1) of 39.0 m/s. is st...

    Text Solution

    |