Home
Class 11
PHYSICS
A uniform rod of length 2m and mass 5kg ...

A uniform rod of length 2m and mass 5kg is lying on a horizontal surface. The work done in raising one end of the rod with the other end in contact with the surface until the rod makes an angle `30^(@)` with the horizontal is `(g=10ms^(-2))`

A

25J

B

50J

C

`25sqrt(3)J`

D

`50sqrt(3)J`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • WORK -POWER-ENERGY

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE-I WORKDONE BY FORCE MORE THAN ONE CORRECT ANSWER TYPE QUESTIONS)|2 Videos

  • WORK -POWER-ENERGY

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE-I WORKDONE BY FORCE LINKED COMPREHENSION TYPE QUESTIONS)|2 Videos

  • VISCOSITY

    AAKASH SERIES|Exercise Questions for Descriptive Answers|3 Videos

  • WORK POWER ENERGY

    AAKASH SERIES|Exercise EXERCISE - 3|61 Videos

Similar Questions

Explore conceptually related problems

A uniform rod of mass 2kg. And length 1m is lying on a horizontal surface. If the work done in raising one end of the rod through an angle 45^(@) is .W., the work done in raising it further through 45^(@) is,

A rod of length 2 m and mass 0.5 kg is fixed at one end and allowed to hang vertically from a rigid support. Find the work done in raising the other end of the rod until it makes an angle of 60^(@) with the vertical. (g=10 ms^(-2))

Figure shows a rod of length £ resting on a wall and the floor. Its lower end A is pulled towards left with a constant velocity v. Find the velocity of the other end B downward when the rod makes an angle Q with the horizontal

AAKASH SERIES-WORK -POWER-ENERGY-PRACTICE SHEET (ADVANCED) (STRAIGHT OBJECTIVE TYPE QUESTIONS)
  1. A uniform rod of length 2m and mass 5kg is lying on a horizontal surfa...

    Text Solution

    |

  2. The velocity of a particle of mass 10^(-2)kg is given as vecv=(2xhatu+...

    Text Solution

    |

  3. A particle starts to move along the path which is given as x^(2)=(8u) ...

    Text Solution

    |

  4. Consider a system of two particles kept in two different orientation a...

    Text Solution

    |

  5. Two blocks A and B are released on the inclined plane of angle 30^(@) ...

    Text Solution

    |

  6. A particle is dropped from height H. At a point its kinetic energy is ...

    Text Solution

    |

  7. A machine delivers power given by P=(p(0)t(0)^(2))/((t+t(0))^(2)) wher...

    Text Solution

    |

  8. A vehicle of mass M is accelerated on a horizontal firctionless road u...

    Text Solution

    |

  9. An object is attached to a vertical unstretched light spring suspended...

    Text Solution

    |

  10. Find the maximum value of friction force between the blocks shown in t...

    Text Solution

    |

  11. An ideal spring supports a disc of mass M. A body of mass m is release...

    Text Solution

    |

  12. A block of mass m =5kg is dropped onto a masless pan attached to a spr...

    Text Solution

    |

  13. In the system shown, the ratio of energy stored in the spring S(1) to ...

    Text Solution

    |

  14. A block of mass 1kg and of volume of 10^(-2)m^(3) is completely submer...

    Text Solution

    |

  15. Choose the correct statement (s) of the following

    Text Solution

    |

  16. The potential energy v in joule of a particle of mass 1 kg moving in x...

    Text Solution

    |

  17. A body of mass m is moving along a circular path of radius R such that...

    Text Solution

    |

  18. A pump motor is used to deliver water at a certain rate from a given p...

    Text Solution

    |

  19. The power for a hoverting helocipter depends on its linear size, the d...

    Text Solution

    |

  20. The power for a hoverting helocipter depends on its linear size, the d...

    Text Solution

    |

  21. The power for a hoverting helocipter depends on its linear size, the d...

    Text Solution

    |