Home
Class 11
PHYSICS
A ody is in pure rotation. The linear sp...

A ody is in pure rotation. The linear speed v of a particle, the distance r of the particle from the axis and the angular velocity `omega` of the body are related as `omega=v/r`. Thus

A

`omega prop (1)/( r) `

B

`omega prop r`

C

`omega=0`

D

`omega ` in independent of r

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ROTATIONAL MOTION

    ERRORLESS |Exercise Practice Problems (Problems based on torque, couple)|11 Videos

  • ROTATIONAL MOTION

    ERRORLESS |Exercise Practice Problems (Problems based on moment of inertia)|33 Videos

  • ROTATIONAL MOTION

    ERRORLESS |Exercise Practice Problems (Problems based on centre of mass)|12 Videos

  • NEWTONS LAWS OF MOTION

    ERRORLESS |Exercise Self Evaluation Test|16 Videos

  • SIMPLE HARMONIC MOTION

    ERRORLESS |Exercise simple Harmonic Motion|21 Videos

Similar Questions

Explore conceptually related problems

The linear velocity perpendicular to radius vector of a particle moving with angular velocity omega=2hatK at position vector r=2hati+2hatj is

A particle moving along a circule path of radius 'r' with uniform angular velocity omega . Its angular acceleration is

A particle is rotating in circle with uniform speed as shown. The angular momentum of the particle w.r.t. origin is :-

A ring of mass m and radius R is being rotated about its axis with angular velocity omega . If a increases then tension in ring

Angular momentum of a rigid body rotating about a fixed Axis with angular velocity vec omega

The radius vector vec r=2i+5k and the angular velocity of a particle is vec w=3i-4k Then the linear velocity of the particle is

In nonuniform circular motion, the linear acceleration vec a , the angular acceleration, vec alpha , the angular velocity vec v the radius vector vec r and the angular velocity vec omega at any instant are related by the vector equation,

When a disc is rotating with angular velocity omega , a particle situated at a distance of 4 cm just begins to slip . If the angular velocity is doubled , at what distance will the particle start to slip ?

Find the angular momentum of a particle of mass m describing a circle of radius r with angular speed omega .

ERRORLESS -ROTATIONAL MOTION-Practice Problems (Problems based on angular displacement, velocity and acceleration)
  1. In rotational motion of a rigid body, all particles move with

    Text Solution

    |

  2. The angula speed of a fly-wheel making 120 revolutions /minute is :

    Text Solution

    |

  3. A body starting from rest gains an angular speed of 540 r.p.m in 6 sec...

    Text Solution

    |

  4. A car is moving at a speed of 72 km//h. The diameter of its wheels is ...

    Text Solution

    |

  5. A wheel is rotating at 900 rpm about its axis. When the power is cut o...

    Text Solution

    |

  6. A particle P is moving in a circle of radius r with a uniform speed u....

    Text Solution

    |

  7. Two particles having mass 'M' and 'm' are moving in a circular path ha...

    Text Solution

    |

  8. A ody is in pure rotation. The linear speed v of a particle, the dista...

    Text Solution

    |

  9. A strap is passing over a wheel of radius 30 cm. During the time the w...

    Text Solution

    |

  10. A particle starts rotating from rest. Its angular displacement is expr...

    Text Solution

    |

  11. The planes of two rigid discs are perpendicular to each other. They ar...

    Text Solution

    |

  12. A sphere is rotating about a diameter

    Text Solution

    |

  13. A rigid body rotates about a fixed axis with variable angular velocity...

    Text Solution

    |

  14. When a ceiling fan is switched on, it makes 10 rotations in the first ...

    Text Solution

    |

  15. When a ceiling fan is switched off, its angular velocity reduces to 50...

    Text Solution

    |

  16. Let vecA be a unit vecrtor along the axis of rotation of a purely rota...

    Text Solution

    |