Home
Class 11
PHYSICS
A pendulum bob of mass 50 gm is suspende...

A pendulum bob of mass 50 gm is suspended from the ceiling of an elevator. The tension in the string if the elevator goes up with uniform velocity is approximately

A

`0.30`N

B

`0.40`N

C

`0.42` N

D

`0.50` N

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • NEWTONS LAWS OF MOTION

    ERRORLESS |Exercise Third Law of Motion|24 Videos

  • NEWTONS LAWS OF MOTION

    ERRORLESS |Exercise Conservation of Linear Momentum and Impulse|27 Videos

  • NEWTONS LAWS OF MOTION

    ERRORLESS |Exercise Self Evaluation Test|16 Videos

  • MOTION IN TWO DIMENSION

    ERRORLESS |Exercise Exercise|319 Videos

  • ROTATIONAL MOTION

    ERRORLESS |Exercise Practice Problems (Problems based on motion of connected mass)|10 Videos

Similar Questions

Explore conceptually related problems

A pendulum bobof masss 50 g is suspended from the ceiling of an elevator. Find the tension in the string if the elevator a. goes up with acceleration 1.2 m/s^2 , b. goes up with deceleration 1.2 m/s^2 , c. goes up with uniform velocity, d. goes down with acceleration 1.2 m/s^2 e. goes down with deceleration 1.2 m/s^2 and f. goes downwith uniform velocity.

A simple pendulum of length 1 m is freely suspended from the ceiling of an elevator. The time period of small oscillations as the elevator moves up with an acceleration of 2m//s^2 is (use g=10 m//s^2 )

A simple pendulum of length l is suspended throught the ceiling of an elevator. Find the time period of small oscilations if the elevator a. is going up with an acceleration a_0 . b. is going down with an acceleration a_0 and c. is moving with a uniform velocity.

Two blocks of masses m_(1) and m_(-2)mgt (m_(2)) are connected by massless threads that passes over a massless smooth pulley The pulley is suspended from the ceiling of an elevator Now the elevator moves up with uniform velocity V_(0) Now select the correct options .

Two blocks of masses m_(1) and m_(2)(m_(1) gt m_(2)) are connected by a massless threads, that passes over a massless smooth pulley. The pulley is suspended from the ceiling of an elevator. Now the elevator moves up with uniform velocity v_(0) Now, select the correct options:

A pendulum bob is hanging from the roof of an elevator with the help of a light string. When the elevator moves up with uniform acceleration 'a' the tension in the string is T_(1) . When the elevator moves down with the same acceleration, the tension in the string is T_(2) . If the elevator were stationary, the tension in the string would be

A simple pendulum with a bob of mass m is suspended from the roof of a car moving with a horizontal acceleration a.

A train is travelling at a constant speed u around a circular track of radius R. A simple pendulum of length L and mass m is suspended from the ceiling of the compartment of the train. IF the tension in the string of the pendulum is T, then find the time period of oscillation.

A simple pendulum with a bob of mass m is suspended from the roof of a car moving with horizontal acceleration a

ERRORLESS -NEWTONS LAWS OF MOTION-Second Law of Motion
  1. A cart of mass M is tied to one end of a massless rope of length 10 m....

    Text Solution

    |

  2. A cricket ball of mass 250g collides with a bat with velocity 10m//s a...

    Text Solution

    |

  3. A pendulum bob of mass 50 gm is suspended from the ceiling of an eleva...

    Text Solution

    |

  4. A train is moving with velocity 20 m//sec . on this dust is falling at...

    Text Solution

    |

  5. The average force necessary to stop a bullet of mass 20 g moving with ...

    Text Solution

    |

  6. The average resisting force that must act on 5kg mass to reduce its sp...

    Text Solution

    |

  7. A mass is hanging on a spring balance which is kept in a lift. The li...

    Text Solution

    |

  8. An army vehicle of mass 1000 kg is moving with a velocity of 10 m//s a...

    Text Solution

    |

  9. A body of mass 2 kg is moving with a velocity 8m//s on a smooth surfac...

    Text Solution

    |

  10. The apparent weight of the body, when it is travelling upwards with an...

    Text Solution

    |

  11. A man measures time period of a pendulum (T) in stationary lift. If th...

    Text Solution

    |

  12. A 30gm bullet initially at 120m//s penetrates 12cm into a wooden block...

    Text Solution

    |

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

    Text Solution

    |

  14. A body of mass 1.0 kg is falling with an acceleration of 10 m//s^(2) ....

    Text Solution

    |

  15. A player caught a cricket ball of mass 150gm moving at a rate of 20m//...

    Text Solution

    |

  16. If rope of lift breaks suddenly, the tension exerted by the surface of...

    Text Solution

    |

  17. A boy whose mass is 50 kg stands on a spring balance inside a lift. Th...

    Text Solution

    |

  18. A rocket is ejecting g 50 of gases per sec at a speed of 500m//s. The ...

    Text Solution

    |

  19. A block of mass kg 5 is moving horizontally at a speed of 1.5 m//s . A...

    Text Solution

    |

  20. A lift of mass 1000kg is moving with an acceleration of 1m//s^(2) in ...

    Text Solution

    |