Home
Class 12
PHYSICS
A uniform rod of mass m and length l is...

A uniform rod of mass m and length l is struck at an end by a force F perpendicular to the rod for a short time interval t. Calculate
the kinetic energy of the rod and

Text Solution

Verified by Experts

The correct Answer is:
`(2F^(2)t^(2))/(m)`
Promotional Banner

Topper's Solved these Questions

  • 10 ROTATIONAL

    MOTION|Exercise Exercise - 3 (Level - II)|20 Videos

  • 10 ROTATIONAL

    MOTION|Exercise Exercise - 4 (Level - I)|24 Videos

  • 10 ROTATIONAL

    MOTION|Exercise Exercise - 2 (Level - II)|25 Videos

  • ALTERNATING CURRENT

    MOTION|Exercise EXERCISE - 4 (LEVEL - II)|14 Videos

Similar Questions

Explore conceptually related problems

A uniform rod of mass m and length l is struck at an end by a force F perpendicular to the rod for a short time interval t. Calculate the speed of the centre of mass,

A uniform rod of mass m and length l is struck at an end by a force F perpendicular to the rod for a short time interval t. Calculate the angular speed of the rod about the centre of mass,

A uniform rod of mass m and length l is struck at an end by a force F perpendicular to the rod for a short time interval t. Calculate the angular momentum of the rod about the centre of mass after the force has stopped to act. Assume that t is so small that the rod does not appreciably change its direction while the force acts.

A uniform rod of mass m and length l is struck at an end by a force F perpendicular to the rod for a short time interval t. Calculate a. the speed of the centre of mass ,b. the angular speed of the rod about centre of mass, c. the kinetic energy of the rod and d. the angular moment of the rod about the centre of mass after the force has stopped to act. Assume that t is so small that the rod does not apreciably change its direction while the force acts.

Moment of inertia of a uniform rod of mass m and length l is (7)/(12)ml^(2) about a line perpendicular to the rod. Find the distance of this line from the middle point of the rod.

Calculate the moment of inertia of a uniform rod of mass M and length l about an axis passing through an end and perpendicular to the rod. The rod can be divided into a number of mass elements along the length of the rod.

A uniform rod of mass m and length l is suspended about its end. Time period of small angular oscillations is

A uniform rod of mass 300 g and length 50 cm rotates at a uniform asngulr speed of 2 rad/s about an axis perpendicular to the rod through an end. Calculte a. the angular momentum of the rod about the axis of rotation b. the speed of thecentre of the rod and c. its kinetic energy.

MOTION-10 ROTATIONAL-Exercise - 3 (Level - I)
  1. In the figure A and B are two blocks of mass 4 kg and 2 kg respectivel...

    Text Solution

    |

  2. A cylinder of height h, diameter h//2 and mass M and with a homogene...

    Text Solution

    |

  3. A mass m is attached to a pulley through a cord as shown in figure. Th...

    Text Solution

    |

  4. Figure shows two blocks of mass m and m connected by a string passing ...

    Text Solution

    |

  5. A particle having mass 2 kg is moving along straight line 3 x + 4 y =...

    Text Solution

    |

  6. A particle having mass 2 kg is moving with velcoity (2 hat(i) + 3 hat(...

    Text Solution

    |

  7. A uniform square plate of mass 2.0 kg and edge 10 cm rotates about one...

    Text Solution

    |

  8. A wheel of moment of inertia 0.500 kg-m^2 and radius 20.0 cm is rotati...

    Text Solution

    |

  9. A uniform circular disc can rotate freely about a rigid vertical axis ...

    Text Solution

    |

  10. Two identical discs are positioned on a vertical axis as shown in the ...

    Text Solution

    |

  11. Two small spheres A & B respectively of mass m & 2m are connected by a...

    Text Solution

    |

  12. A sphere of mass m rolls on a plane surface.Find its kinetic energy at...

    Text Solution

    |

  13. A cylinder rolls on a horizontal polane surface. If the speed of the c...

    Text Solution

    |

  14. A small spherical ball is released from a point at a height h on a rou...

    Text Solution

    |

  15. A sphere starts rolling down an incline of inclination theta. Find the...

    Text Solution

    |

  16. A solid uniform sphere of mass m is released from rest from the rim of...

    Text Solution

    |

  17. A uniform rod of mass m and length l is struck at an end by a force F...

    Text Solution

    |

  18. A uniform rod of mass m and length l is struck at an end by a force F...

    Text Solution

    |

  19. A uniform rod of mass m and length l is struck at an end by a force F...

    Text Solution

    |

  20. A uniform rod of mass m and length l is struck at an end by a force F...

    Text Solution

    |