Home
Class 11
PHYSICS
A lift is moving down with acceleration ...

A lift is moving down with acceleration a. A man in the lift drops a ball inside the lift. The acceleration of the ball as observed by the man in the lift and a man standing stationary on the ground are respectively

A

`g, g`

B

`g-a, g-a`

C

`g-a,g`

D

`a,g`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Laws of Motion

    SL ARORA|Exercise Exercise|627 Videos

  • Kinetic Theory of gases

    SL ARORA|Exercise Example|47 Videos

  • LAWS OF MOTION : FRICTION

    SL ARORA|Exercise Self Practice|95 Videos

Similar Questions

Explore conceptually related problems

A lift is going up with an acceleration 2 g. A man is inside the lift and his mass is m What will be the reaction of the floor on the man ?

A lift moves downwards with an acceleration a. A passenger in the lift drops a book. The acceleration of the book with respect to the floor of lift is- (assume acceleration due to gravity = g)

A lift is moving up with an acceleration of 3.675 m//sec_(2) . The weight of a man-

A lift accelerated downward with acceleration ' a '. A man in the lift throws a ball upward with acceleration a_(0)(a_(0)lta) . Then acceleration of ball observed by observer, which is on earth, is

A lift is asecending with a constnat speed ''V''. A passenger in the lift drops a coin. The acceleration of the coin towards the floor will be .

A lift is moving up with acceleration a A person inside the ligt throws the ball upwards with a velocity u relativeto hand. a. What is the time of flight of the ball? b. What is the maximum height reached by the ball in the lift?

SL ARORA-Laws of Motion-Exercise
  1. A machine gun fires a bullet of mass 40 g with a velocity 1200 ms^-1. ...

    Text Solution

    |

  2. A body of mass m = 3.513 kg is moving along the x-axis with a speed of...

    Text Solution

    |

  3. A lift is moving down with acceleration a. A man in the lift drops a b...

    Text Solution

    |

  4. A light spring balance hangs from the hook of the other light spring b...

    Text Solution

    |

  5. A spring balance is attached to the ceiling of a lift. A man hangs his...

    Text Solution

    |

  6. Three identical blocks of masses m=2kg are drawn by a force 10.2 N on ...

    Text Solution

    |

  7. Two masses m1=5kg and m2=4.8kg tied to a string are hanging over a lig...

    Text Solution

    |

  8. A light string passing over a smooth light pulley connects two blocks ...

    Text Solution

    |

  9. A block is kept on a frictionless inclined surface with angle of incli...

    Text Solution

    |

  10. Two fixed frictionless inclined plane making angles 30^(@) and 60^(@) ...

    Text Solution

    |

  11. A marble block of mass 2 kg lying on ice when given a velocity of 6m//...

    Text Solution

    |

  12. A block rests on a rough inclined plane making an angle of 30^@ with t...

    Text Solution

    |

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

    Text Solution

    |

  14. The upper half of an inclined plane with inclination phi is perfectly ...

    Text Solution

    |

  15. A smooth block is released at rest on a 45^@ incline and then slides a...

    Text Solution

    |

  16. Given in figure are two blocks A and B of weight 20N and 100N, respect...

    Text Solution

    |

  17. A block weighing 10kg is at rest on a horizontal table. The coefficien...

    Text Solution

    |

  18. A block of mass 'm' is placed on a rough surface with a vertical cross...

    Text Solution

    |

  19. A particle is acted upon by a force of constant magnitude which is alw...

    Text Solution

    |

  20. An annular ring with inner and outer radii R1 and R2 is rolling wihtou...

    Text Solution

    |