Home
Class 11
PHYSICS
In the figure a block of mass 10kg is in...

In the figure a block of mass `10kg` is in equilibrium. Identify the string in which the tension is zero

A

B

B

C

C

A

D

None of the above

Text Solution

Verified by Experts

The correct Answer is:
D

`T_(A) = 10 g = 100 N`
:. `T_(B) cos 30^(@) = T_(A)`
`T_(B) = (200)/(sqrt 3) N`
`T_(B) sin 30^(@) = T_(C)`
`T_(C) = (100)/(sqrt 3) N`
Promotional Banner

Topper's Solved these Questions

  • LAWS OF MOTION

    DC PANDEY|Exercise Objective Question|32 Videos
  • LAWS OF MOTION

    DC PANDEY|Exercise Comprehension|9 Videos
  • LAWS OF MOTION

    DC PANDEY|Exercise Exercise 8.5|2 Videos
  • KINEMATICS 1

    DC PANDEY|Exercise INTEGER_TYPE|15 Videos
  • LAWS OF THERMODYNAMICS

    DC PANDEY|Exercise Level 2 Subjective|18 Videos

Similar Questions

Explore conceptually related problems

A block of mass 6 kg is kept in equilibrium with the help of strings as shown in figure. The tension in string PQ is (g = 10 m/s2)

A block of mass 30 kg is suspended by three string as shown in fig, Find the tension in each string.

A block of mass 10 kg is suspended by three strings as shown in figure . Tension T_(2) is

The block of mass m is at rest. Find the tension in the string A .

A ball of mass 1 kg hangs in equilibrium from two string OA and OB as show in figure. What are the tension in string OA and OB ? (Take g= 10 m//s^(2))

A block of mass 0.2 kg is suspended from the ceiling by a light string. A second block of mass 0.3 kg is suspended from the first block through another string. Find the tensions in the two strings. Take g=10 m/s^2 .

A wooden block of mass 0*8 kg is dragged along a level frictionless surface by a hanging block of mass 0*2 kg as shown in the figure . Calculate the tension in the string and the acceleration of blocks .

Two block of mass 2kg are connected by a massless ideal spring of spring contant K=10N//m . The upper block is suspended from roof by a light string A . The system shown is in equilibrium. The string A is now cut, the acceleration of upper block just after the string A is cut will be (g=10m//s^(2) .

A wooden block of mass 0.8 kg is dragged along a level frictionless surface by a hanging block of mass 0.2 kg as shown in the figure. Calculate the tension in the string and the acceleration of blocks.

In the figure A and B are two blocks of mass 4 kg and 2 kg respectively attached to the two ends of light string passing overa disc C of mass 40 kg and radius 0.1 m . The disc is free to rotate about a fixed horizontal the string does not string does not slip over the disc. Find. (i) The linear acceleration of mass B . (ii) the number of revolutions made by the disc at the end of 10 sec . from the start. (iii) the tension in teh string segment supporting the block A . .

DC PANDEY-LAWS OF MOTION-Single Correct
  1. Two balls a A and B of same size are dropped from the same point under...

    Text Solution

    |

  2. A block of mass m is placed at rest on an inclination theta to the hor...

    Text Solution

    |

  3. In the figure a block of mass 10kg is in equilibrium. Identify the str...

    Text Solution

    |

  4. At what minimum acceleration should a monkey slide a rope whose breaki...

    Text Solution

    |

  5. For the arrangement shown in the figure, the reading of spring balance...

    Text Solution

    |

  6. The time taken by a body to slide down a rough 45^(@) inclined plane i...

    Text Solution

    |

  7. The force required to just move a body up the inclined plane is double...

    Text Solution

    |

  8. A force F1 acts on a particle so as to accelerate it from rest to a ve...

    Text Solution

    |

  9. A partical is placed at rest inside a hollow hemisphare of redius R. T...

    Text Solution

    |

  10. The friction coefficient between the table and the block shown in figu...

    Text Solution

    |

  11. A particle slides down a smooth in clined plane of elevation theta fix...

    Text Solution

    |

  12. A block rests on a rought inclined plane making an angle of 30^(@) wit...

    Text Solution

    |

  13. In figure two identical particals each of mass m are tied together wit...

    Text Solution

    |

  14. A block of mass m is placed at rest on a horizontal rought surface wit...

    Text Solution

    |

  15. A block of mass 4 kg is placed on a rough horizontal force plane. A ...

    Text Solution

    |

  16. A body takes time t to reach the bottom oa a smooth inclined plane of ...

    Text Solution

    |

  17. A man of mass m slides down along a rop which is connected to the cell...

    Text Solution

    |

  18. A 50 kg person stand on a 25 kg platform. He pulls on the rope which ...

    Text Solution

    |

  19. A ladder of length 5 m is placed against a smooth wall as shown in fig...

    Text Solution

    |

  20. If a ladder weighting 250 N in placed a smooth vartical wall having co...

    Text Solution

    |