Home
Class 11
PHYSICS
A 6.0 kg object is suspended by a vertic...

A `6.0 kg` object is suspended by a vertical string from the ceilling of an elevator which is acceleration upward at a rate of `2.2ms^(-2)`. the tension in the string is

A

`11N`

B

`72N`

C

`48N`

D

`59N`

Text Solution

Verified by Experts

The correct Answer is:
B
`T=m(g+a)`
Promotional Banner

Topper's Solved these Questions

  • CIRCULAR MOTION

    NARAYNA|Exercise LEVEL II(H.W)|51 Videos

  • CIRCULAR MOTION

    NARAYNA|Exercise IIT QUES.|4 Videos

  • CALORIMETRY

    NARAYNA|Exercise Level- II (H.W)|11 Videos

  • COLLISION

    NARAYNA|Exercise Level-II (H.W)|54 Videos

Similar Questions

Explore conceptually related problems

A bob of pendulum of mass 50 g is suspended by string with the roof of an elevator. If the lift is flying with a uniform acceleration of 5m s^(-2) the tension in the string is (g = 10m s^(-2))

A small sphere is suspended by a string from the ceiling of a car. If the car beings to move with a constant acceleration a, the inclination of the string to the vertical is:

A body is suspended by a string from the ceiling of an elevator. It is observed that the tension in the string is doubled when the elevator is accelerated. The acceleration will be

A small ball is suspended by a string from the ceiling of a car. As the car accelerates at a rate ‘a’ the string makes an angle 'a' with the vertical in equilibrium. Then the tension in the string is :

A 4.0 kg block is suspended from the ceiling of an elevator through a string having a linear mass desity of 19.2xx10^-3 kgm^-1 . Find the speed (with respect to the string) with which a wave pulse can proceed on the string if the elavator accelerates up at the rate of 2.0ms^-2. Take g=10 ms^-2 .

A rock is suspended from a string, and it accelerates upward. Which statement is true concerning the tension in the string ?

A 4.0 kg block is suspended from the celling of an elevator through a string having a linear mass density of 1.6 xx 10^(-2) kg//m . Find (a) speed (with respect to the string) with which pulse can proceed on the string it he elevator accelerates up at the rate of 6 m//s . (b) in part (a) at some instant speed of lift is 40 m//s in upward direction, then speed of the wave pulse with respect to ground at that instant is (Take = 10 m//s^(2) )

A block of mass 5kg is being raised vertically upwards by the help of a string attached to it. It rises with an acceleration of 2ms^-2 . Find the work done by the tension in the string if the block rises by 2.5m . Also find the work done by the gravity and the net work done.

Two bodies A (30 kg) and B (50 kg) tied with a light string are placed on a friction less table. A force F acting at B pulls this ystem with an acceleration of 2ms^(-2) . The tension in the string is:

NARAYNA-CIRCULAR MOTION-LEVEL I(H.W)
  1. A unidirectional force F varying with time t as shown in the Fig. acts...

    Text Solution

    |

  2. If the average velocityof a body moving with uniform acceleration unde...

    Text Solution

    |

  3. A 6.0 kg object is suspended by a vertical string from the ceilling of...

    Text Solution

    |

  4. A young man of mass 60 kg stands on the floor of a lift which is accel...

    Text Solution

    |

  5. Three masses of 16 kg, 8 kg and 4 kg are placed in contact as shown in...

    Text Solution

    |

  6. A block of mass M is pulled along a horizontal frictionless surface by...

    Text Solution

    |

  7. Three equal masses A,B and C are pulled with a constant force F. They ...

    Text Solution

    |

  8. A coin is dropped in a lift. It takes time t(1) to reach the floor whe...

    Text Solution

    |

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

    Text Solution

    |

  10. A pendulum bob is hanging from the roof of an elevator with the help o...

    Text Solution

    |

  11. Three block of masses m(1) = 10kg, m(2) =20 kg and m(3) = 30kg are on ...

    Text Solution

    |

  12. A bullet of mass 50g is fired from a gun of mass 6kg with a velocity o...

    Text Solution

    |

  13. A space craft of mass 2000 kg moving with a velocity of 600m//s sudden...

    Text Solution

    |

  14. A person weighing 60kg In a small boat of mass 140 kg which is at rest...

    Text Solution

    |

  15. A body of mass 40kg resting on a rough horizontal surface is subjected...

    Text Solution

    |

  16. What is the angle of friction between two surfaces in contact , if coe...

    Text Solution

    |

  17. The coefficient of friction between the ground and the wheels of a car...

    Text Solution

    |

  18. An eraser weighing 2N is pressed against the black board with a force ...

    Text Solution

    |

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

    Text Solution

    |

  20. A block of weight 100N is pushed by a force F on a horizantal rough pl...

    Text Solution

    |