Home
Class 12
PHYSICS
A person of 60 Kg mass is in a lift whic...

A person of 60 Kg mass is in a lift which is coming down such that the man exerts a force of 150 N on the floor of the lift. Then the acceleration of the lift is (g=10 `ms^(-2)`)

A

`40.0 ms^(-2)`

B

`15.0 ms^(-2)`

C

`22.5 ms^(-2)`

D

`7.5 ms^(-2)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • LAWS OF MOTION

    AAKASH SERIES|Exercise PRACTICE EXERCISE|98 Videos

  • LAWS OF MOTION

    AAKASH SERIES|Exercise EXERCISE - I|151 Videos

  • GEOMETRICAL OPTICS

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL-II PRACTICE SHEET (ADVANCED) INTEGER TYPE QUESTIONS)|6 Videos

  • LOGIC GATES

    AAKASH SERIES|Exercise Exercise (Very Short Answer)|16 Videos

Similar Questions

Explore conceptually related problems

A person of 60 kg mass is in a lift which is coming down such that the man exerts a force of 150 N on the floor of the lift. Then the accelaration of the lift is (g = 10 ms^(-2))

A simple pendulum is placed inside a lift, which is moving with a uniform acceleration. If the time periods of the pendulum while the lift is moving upwards and downwards are in the ratio 1 : 2, then the acceleration of the lift is (Acceleration due to gravity, g = 10 ms^(-2) )

A 75kg man stands in a lift. What force does the floor exert on him when the elevator starts moving upward with an acceleration of 2 ms^(-2) Given: g = 10 ms^(-2) .

AAKASH SERIES-LAWS OF MOTION-EXERCISE - II
  1. A ball of mass m is thrown vertically upward from the ground and reach...

    Text Solution

    |

  2. A packet of weight 'W' dropped from a parachute strikes the ground and...

    Text Solution

    |

  3. A person of 60 Kg mass is in a lift which is coming down such that the...

    Text Solution

    |

  4. A 50kg man is standing at one end of a 25m long boat. He starts runnin...

    Text Solution

    |

  5. A stationary shell explodes into two fragments, having masses in the r...

    Text Solution

    |

  6. A particle of mass 1kg is thrown vertically upward with speed 100 m/s....

    Text Solution

    |

  7. A body of mass m is projected at an angle theta to the horizontal, the...

    Text Solution

    |

  8. A gun mounted on the top of a moving truck is aimed in the backward di...

    Text Solution

    |

  9. A gun of mass M fires a bullet of mass m with a Kinetic energy E. The ...

    Text Solution

    |

  10. A gun of mass M fires a bullet of mass m with a velocity v relative to...

    Text Solution

    |

  11. A shell of mass 0.01 kg fired by a gun of mass 10 kg. If the muzzle sp...

    Text Solution

    |

  12. A rocket consumes 20 kg fuel per second. The exhaust gases escape at a...

    Text Solution

    |

  13. A rocket of initial mass 6000kg ejects mass at constant rate of 200 kg...

    Text Solution

    |

  14. A rocket of mass 20kg has 180 kg of fuel. The exhaust velocity of fuel...

    Text Solution

    |

  15. A mass 'M' is suspended by a rope from a rigid support. It is pulled h...

    Text Solution

    |

  16. A uniform rope of length 5m is on a smooth horizontal surface. It is b...

    Text Solution

    |

  17. Two block of masses 3 kg and 1 kg are kept in contact with rach other ...

    Text Solution

    |

  18. A block of mass 10 kg lying on a smooth horizontal surface is being pu...

    Text Solution

    |

  19. Ten coins each of mass 10 gm are placed one above the other. The react...

    Text Solution

    |

  20. The apparent weight of man inside a lift moving up with certain accele...

    Text Solution

    |