Home
Class 12
PHYSICS
A person is standing in an elevator. In ...

A person is standing in an elevator. In which situation he finds his weight less ?

A

when the elevator moves upward with constant acceleration

B

when the elevator moves downward with uniform velocity

C

when the elevator moves downward with uniform velocity

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B

As elevator accelerates down, pseudo force acts upward.
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 person is standing on a platform which executing vertical S.H.M. his weight be largest at

A person is standing on a escalator which is moving up uniformly. Find out work done by the normal force acting on the man due to the cscalator while his mass is m and he gains height h due to movement of the escalator.

A person is standing on a rotating platform, with his arms at his sides. If he stretches his arms, then which of the following statements is correct?

A person is standing on a rotating table with metal spheres in his hands. If he withdraws his hands to his chest, then the effect on his angular velocity will be.

A person of 50 kg revolves around earth in a satellite. In this situation, his weight will be

A person standing oin the floor of an elevator drops as coin. The coin reaches the floor of the elevator in a time t_1 if the elevator is stationary and in the t_2 if it is moving uniformly. Then

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 horizontal force of 10N is necessary to just hold a block stationary...

    Text Solution

    |

  2. In the figure given below, the position time graph of a particle of ma...

    Text Solution

    |

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

    Text Solution

    |

  4. Two weights w(1) and w(2) are suspended from the ends of a light strin...

    Text Solution

    |

  5. A particle is moving under the influence of a force which is fixed in ...

    Text Solution

    |

  6. A force of 10 Newton acts on a body of mass 20 kg for 10 seconds. Cha...

    Text Solution

    |

  7. A rocket of mass 1000 kg is to be projected vertically upwards. The ga...

    Text Solution

    |

  8. Three blocks of masses m(1),m(2)and m(3) are connected by massless str...

    Text Solution

    |

  9. A 0.5 kg ball moving with a speed of 12 m//s strikes a hard wall at an...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  12. A given object takes n times as much time to slide down a 45^(@) rough...

    Text Solution

    |

  13. The figure shows a horizontal force vecF acting on a block of mass M o...

    Text Solution

    |

  14. A 150 g tenins ball coming at a speed of 40m/s is hit straight back by...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |