Home
Class 11
PHYSICS
A wheel is free to rotate about its own ...

A wheel is free to rotate about its own axis without friction. A rope is wound around the wheel. If other end of rope is pulled with a constant force, then true statement from the following is

A

constant torque is produced and the wheel is rotated with constant angular velocity

B

constant torque is produced and the wheel is rotated with constant angular acceleration

C

variable torque is produced and the wheel is rotated with variable angular velocity

D

variable torque is produced and the wheel is rotated with variable angular acceleration

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    NARAYNA|Exercise EXERCISE - I (C.W)|63 Videos
  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    NARAYNA|Exercise EXERCISE - I(H.W)|63 Videos
  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    NARAYNA|Exercise EVALUATE YOURSELF - 5|6 Videos
  • SYSTEM OF PARTICLES

    NARAYNA|Exercise Level-VI|78 Videos
  • THERMAL PROPERTIES OF MATTER

    NARAYNA|Exercise LEVEL - II (H.W.)|19 Videos

Similar Questions

Explore conceptually related problems

A constant resultant torque rotates a wheel about its own axis. Then true statement of the following is

A wheel whose radius is R and moment of inertia about its own axis is I, rotates freely about its own axis. A rope is wrapped on the wheel. A body of mass m is suspended from the free end of the rope. The body is released from rest. The velocity of the body after falling a distance h would be:

A metallic circular wheel is rotating about its own axis without friction. If the radius of wheel expands by 0.2% , percentage change in its angular velocity

A stationary wheel starts rotating about its own axis at constant angular acceleration. If the wheel completes 50 rotations in first 2 seconds, then the number of rotations mades by it in next two seconds is

The pulley arrangements of fig (a) and (b) are identical. The mass of the rope is negligible. In (a) the mass m is lifted up by attaching a mass 2 m to the other end of the rope. In (b) m is lifted up by pulling the other end of the rope with a constant downward force F = 2 mg. Which of the following is correct?

A fly wheel of 0.4 kg(m^-2) M.I. and of 0.2 m radius can rotate about its axis. A rope is wrapped around its circumference and pulled with 10 N force. The value of angular acceleration in rad/sec^2 will be?

A fly wheel is rotating about its own axis at an angular velocity 11 rad s^(-1) , its angular velocity in revolation per minute is

A wheel is rotating about a its own axis. The moment of inertia of the wheel about axis of rotation.If its angular speed is 30 rad/sec and its kinetic energy is 300J ( in kg-m^(2))

A string is wrapped around the rim of a wheel of moment of inertia 0.20 kg-m^2 nd radius 20 cm. The wheel is free to rotate about it axis. Initially, thewheel is t rest. The string is now pulled by a force of 20 N. Find the angular velocity of the wheel after 5.0 seconds.

A wheel is rotating about its axis at a constant angular velocity. If suddenly an object sticks to it on the rim, then its M.I. will:

NARAYNA-SYSTEM OF PARTICLES AND ROTATIONAL MOTION -C.U.Q
  1. Magnitude of torque is maximum in the following case

    Text Solution

    |

  2. A constant resultant torque rotates a wheel about its own axis. Then t...

    Text Solution

    |

  3. A wheel is free to rotate about its own axis without friction. A rope ...

    Text Solution

    |

  4. Class I lever is that in which

    Text Solution

    |

  5. The example of a couple is

    Text Solution

    |

  6. The example of lever is

    Text Solution

    |

  7. Then moment of inertia of a rigid body depends on (A) mass of body ...

    Text Solution

    |

  8. Moment of inertia of a body depends upon

    Text Solution

    |

  9. A brass disc is rotating about its axis. If temperature of disc is inc...

    Text Solution

    |

  10. The radius of gyration of a rotating metallic disc is independent of t...

    Text Solution

    |

  11. One solid sphere A and another hollow sphere B are of same mass and sa...

    Text Solution

    |

  12. The theorem of perpendicular axes is applicable for

    Text Solution

    |

  13. Theorem of parallel axes

    Text Solution

    |

  14. A boiled egg and a raw egg of same mass and size are made to rotate ab...

    Text Solution

    |

  15. Raw and boiled eggs are made to spin on a smooth table by applying the...

    Text Solution

    |

  16. The radius of gyration of a rotating circular ring is maximum about fo...

    Text Solution

    |

  17. A moment of inertia of a thin circular plate is minimum about the foll...

    Text Solution

    |

  18. A ring of mass m and radius r is melted and then moulded into a sphere...

    Text Solution

    |

  19. Identify the correct order in which the ratio of radius of gyration to...

    Text Solution

    |

  20. Identify the increasing order of radius of gyration of following bodie...

    Text Solution

    |