Home
Class 11
PHYSICS
In the given figure F=10N, R=1m, mass of...

In the given figure `F=10N, R=1m`, mass of the body is `2kg` and moment of inertia of the body about an axis passing through `O` and perpendicular to the plane of the body is `4kgm^(2)`. `O` is the centre of mass of the body.
If the ground is smooth, what is the total kinetic energy of the body after `2s`?

A

25 J

B

50 J

C

16.67 J

D

100 J

Text Solution

Verified by Experts

The correct Answer is:
B
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

In the given figure F=10N, R=1m , mass of the body is 2kg and moment of inertia of the body about an axis passing through O and perpendicular to the plane of the body is 4kgm^(2) . O is the centre of mass of the body. If the ground is sufficiently rough to ensure rolling, what is the kinetic energy of the body now in the given time interval of 2s ?

In the figure shown ABCD is a lamina of mass 12 kg . The moment of inertia of the given body about an axis passing through D, and perpendicular to the plane of the body is

Moment of inertia of a ring of mass M and radius R about an axis passing through the centre and perpendicular to the plane is

For the same total mass, which of the following will have the largest moment of inertia about an axis passing through the centre of mass and perpendicular to the plane of the body

The moment of inertia of a circular ring of mass 1 kg about an axis passing through its centre and perpendicular to its plane is "4 kg m"^(2) . The diameter of the ring is

Moment of inertia of a thin semicircular disc (mass - M & radius = R) about an axis through point O and perpendicular to plane of disc, is given by : .

Moment of inertia of a thin semicircular disc (mass - M & radius = R) about an axis through point O and perpendicular to plane of disc, is given by : .

Calculate the moment of inertia of a ring of mass 2kg and radius 2cm about an axis passing through its centre and perpendicular to its surface.

Calculate the moment of inertia of a ring of mass 2kg and radius 2cm about an axis passing through its centre and perpendicular to its surface.

Let I_(A) and I_(B) be moments of inertia of a body about two axes A and B respectively. The axis A passes through the centre of mass of the body but B does not. Then

DC PANDEY ENGLISH-ROTATIONAL MOTION-Comprehension Type Questions
  1. Moment of inertia of a straight wire about an axis perpendicular to th...

    Text Solution

    |

  2. Moment of inertia of a straight wire about an axis perpendicular to th...

    Text Solution

    |

  3. In the given figure F=10N, R=1m, mass of the body is 2kg and moment of...

    Text Solution

    |

  4. In the given figure F=10N, R=1m, mass of the body is 2kg and moment of...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |