Home
Class 12
PHYSICS
If an elevator is moving vertically upwa...

If an elevator is moving vertically upwards with an acceleration a, the force exerted on the floor by a passenger of mass M is

A

Ma

B

Mg

C

M(g - a)

D

M(g + a)

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • LAWS OF MOTION

    AAKASH SERIES|Exercise EXERCISE - II|117 Videos

  • LAWS OF MOTION

    AAKASH SERIES|Exercise PRACTICE EXERCISE|98 Videos

  • LAWS OF MOTION

    AAKASH SERIES|Exercise Application|6 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 chain consists of five links each with mass 100gm as shown. It is lifted vertically upward with a constant acceleration of 2ms^(-2) .Then the force F exerted by the agent in lifting the chain is 'x'N. Then x is ...........

A car accelerates on horizontal road due to force exerted by

A uniform rope of mass m hangs freely from a ceiling. A bird of mass M climbs up the rope with an acceleration a. The force exerted by the rope on the ceiling is

A block of mass 'm' is placed on the floor of a lift, moving upward with an uniform acceleration a = g. ( mu is the coefficient of friction between block and the floor of lift). If a horizontal force of umg acts on the block, then horizontal acceleration of the body is .......

Two blocks A and B are kept in an elevator which is moving up with an acceleration of 2m//s^(2) . If the block B applied a force of 60N on the floor of elevator, find its mass.

A block of mass m is suspended by a light thread from an elevator. The elevator starting from rest is accelerating upward with uniform acceleratio a. The work done by tension on the block during t seconds is

AAKASH SERIES-LAWS OF MOTION-EXERCISE - I
  1. A lift is ascending with a constnat speed V. A passenger in the lift d...

    Text Solution

    |

  2. A block can slide down an a smooth inclined plane of inclination theta...

    Text Solution

    |

  3. If an elevator is moving vertically upwards with an acceleration a, th...

    Text Solution

    |

  4. A lift is going up with uniform velocity. When brakes are applied, it...

    Text Solution

    |

  5. If the tension in the cable supporting an elevator is equal to the wei...

    Text Solution

    |

  6. A reference frame attached to the earth with respect to an observer in...

    Text Solution

    |

  7. A stationary railway platform on earth is

    Text Solution

    |

  8. A rotating platform for a stationary observer outside it is

    Text Solution

    |

  9. Frames moving uniformly with respect to an inertial frame are

    Text Solution

    |

  10. If particle stays at rest as seen from a frame of reference

    Text Solution

    |

  11. The acceleration of a particle is found to be non zero while no force ...

    Text Solution

    |

  12. A particle is observed from two frames S(1) and S(2). The frame S(2) m...

    Text Solution

    |

  13. A particle is found to be at rest when seen from a frame S(1) and movi...

    Text Solution

    |

  14. A ball hangs from a string inside a rail road car moving along a strai...

    Text Solution

    |

  15. A vessel contains some water. It is moved towards right on a horizonta...

    Text Solution

    |

  16. A satellite in force - free space sweeps stationary interplanetary dus...

    Text Solution

    |

  17. A constant force (F) is applied on a stationary particle of mass 'm'. ...

    Text Solution

    |

  18. In the above problem, the velocity attained by the particle in a certa...

    Text Solution

    |

  19. You are on a frictionless horizontal plane. How can you get off if no ...

    Text Solution

    |

  20. To keep a particle moving with constant velocity on a frictionless hor...

    Text Solution

    |