Home
Class 11
PHYSICS
Two rod 1 and 2 are released from rest a...

Two rod 1 and 2 are released from rest as shown in figure . Given, `l_(1)=4l,m_(1)=2m,l_(2)=2l "and "m_(2)=m.` There is no friction between the two rods . If `alpha` be the angular acceleration of rod 1 just after the rods are released . Then,
What is the initial angular acceleration of rod 2 in terms of the given parameters in the question ?

A

`[(2sqrt(3)g)/(2l)+2sqrt(3)alpha]`

B

`[(3sqrt(3)g)/(l)-sqrt(3)alpha]`

C

`[(6sqrt(3)g)/(8l)+5sqrt(3)alpha]`

D

`[(3sqrt(3)g)/(8l)-(8)/(sqrt(3))alpha]`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ROTATIONAL MOTION

    DC PANDEY ENGLISH|Exercise Matrix Matching Type Questions|16 Videos
  • ROTATIONAL MOTION

    DC PANDEY ENGLISH|Exercise Integer Type Questions|17 Videos
  • ROTATIONAL MOTION

    DC PANDEY ENGLISH|Exercise More than one option is correct|36 Videos
  • ROTATIONAL MECHANICS

    DC PANDEY ENGLISH|Exercise Subjective Questions|2 Videos
  • SEMICONDUCTORS AND ELECTRONIC DEVICES

    DC PANDEY ENGLISH|Exercise More than One Option is Correct|3 Videos

Similar Questions

Explore conceptually related problems

Two rod 1 and 2 are released from rest as shown in figure . Given, l_(1)=4l,m_(1)=2m,l_(2)=2l "and "m_(2)=m. There is no friction between the two rods . If alpha be the angular acceleration of rod 1 just after the rods are released . Then, What is the normal reaction between the two rods at this instant ?

Two rod 1 and 2 are released from rest as shown in figure . Given, l_(1)=4l,m_(1)=2m,l_(2)=2l "and "m_(2)=m. There is no friction between the two rods . If alpha be the angular acceleration of rod 1 just after the rods are released . Then, What is the horizontal force on rod 1 by hinge. A at this instant ?

A L shaped rod of mass M is free to rotate in a vertical plane about axis A A as shown in figure. Maximum angular acceleration of rod is

The thin rod shown below has mases M and length L. A force F acts at one end as shown and the rod is free to rotate about the other end in horizontal plane. Initial angular acceleration of the rod is :

A uniform rod of mass 20 Kg and length 1.6 m is piovted at its end and swings freely in the vertical plane. Angular acceleration of the rod just after the rod is relased from rest in the horizontal position is

A light rod of length 1 m is pivoted at its centre and two masses of 5 kg and 2 kg are hung from the ends as shown in the figure. Find the initial angular acceleration of the rod assuming that it was horizontal in the beginning.

A rod of length 1 m is released from rest as shown in the figure below: If omega of rod is sqrtn at the moment it hits the ground, then find n.

A uniform rod of mass m length l is attached to smooth hinge at end A and to a string at end B as shown in figure. It is at rest. The angular acceleration of the rod just after the string is cut is :

A rod PQ of mass M and length L is hinged at end P. The rod is kept horizontal by a massless string tied to point Q as shown in figure. When string is cut, the intial angular acceleration of the rod is

A rod PQ of mass M and length L is hinged at end P . The rod is kept horizontal by a massless string tied to point Q as shown in the figure. When string is cut, the initial angular accleration of the rod is.

DC PANDEY ENGLISH-ROTATIONAL MOTION-Comprehension Type Questions
  1. A rod of mass m and length l in placed on a smooth table. An another ...

    Text Solution

    |

  2. A rod of mass m and length l in placed on a smooth table. An another ...

    Text Solution

    |

  3. A disc of mass m and radius R is placed over a plank of same mass m. T...

    Text Solution

    |

  4. A disc of mass m and radius R is placed over a plank of same mass m. T...

    Text Solution

    |

  5. Two rod 1 and 2 are released from rest as shown in figure . Given, l(1...

    Text Solution

    |

  6. Two rod 1 and 2 are released from rest as shown in figure . Given, l(1...

    Text Solution

    |

  7. Two rod 1 and 2 are released from rest as shown in figure . Given, l(1...

    Text Solution

    |

  8. Three massless rods are fixed to form a right angled triangular frame ...

    Text Solution

    |

  9. Three massless rods are fixed to form a right angled triangular frame ...

    Text Solution

    |

  10. Three massless rods are fixed to form a right angled triangular frame ...

    Text Solution

    |

  11. A uniform disc of mass M and radius R initially stands vertically on t...

    Text Solution

    |

  12. A uniform disc of mass M and radius R initially stands vertically on t...

    Text Solution

    |

  13. A uniform disc of mass M and radius R initially stands vertically on t...

    Text Solution

    |

  14. An engineer is designing a conveyor system for loading lay bales into ...

    Text Solution

    |

  15. An engineer is designing a conveyor system for loading lay bales into ...

    Text Solution

    |

  16. An engineer is designing a conveyor system for loading lay bales into ...

    Text Solution

    |

  17. In the figure S(1) and S(2) are two light springs of stiffness k and 4...

    Text Solution

    |

  18. A uniform solid cylinder of mass m and radius 2R rests on a horizontal...

    Text Solution

    |

  19. A uniform solid cylinder of mass m and radius 2R rests on a horizontal...

    Text Solution

    |

  20. A uniform solid cylinder of mass m and radius 2R rests on a horizontal...

    Text Solution

    |