Home
Class 12
PHYSICS
A particle of mass m is tied to light st...

A particle of mass m is tied to light string and rotated with a speed v along a circular path of radius r. If T=tension in the string and `mg=` gravitational force on the particle then actual forces acting on the particle are

A

mg and T only

B

mg T and on additional force of `(mv^(2))/(r )` directed inwards.

C

mg, T and an additional force of `(mv^(2))/(r )` directed outwards.

D

only a force `(mv^(2))/(r )` directed outwards

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

A particle of mass m is moving in a plane along a circular path of radius r . Its angular momentum about the axis of rotation is L . The centripetal force acting on the particle is.

A particle of mass M moves with constant speed along a circular path of radius r under the action of a force F. Its speed is

A particle of mass 'm' moves with a constant speed along a circular path of radius r under the action of a force F .Its speed is given by

A particle moves with constant speed v along a circular path of radius r and completes the circle in time T. The acceleration of the particle is

A particle of mass m moves with constant speed v on a circular path of radius r. Find magnitude of average force on it in half revolution.

A paricle of mass m is tied to a light string of length L and moving in a horizontal circle of radius r with speed v as shown. The forces acting on the particle are

A particle of mass m moves with constant speed v on a circular path of radius r as shown in figure. The average force on it during its motion from A to B is

A paticle of mass m is executing uniform circular motion on a path of radius r . If p is the magnitude of its linear momentum, then the radial force acting on the particle is

A particle of mass m is tied to a string of length L and whirled into a horizontal plan. If tension in the string is T then the speed of the particle will be :

A stone of mass ied to a string of lengh l rotating along & a circular path with constant speed v. The torque on the stone is

ALLEN-CIRCULAR MOTION-EXERCISE(O-1)
  1. The value of n so that vectors 2hati+3hatj-2hatk, 5hati+nhatj+hatk and...

    Text Solution

    |

  2. If a and b are two vectors.then the value of (a+b)xx(a-b) is

    Text Solution

    |

  3. "|"oversetrightarrow(a).oversetrightarrow(b)"|"=sqrt3"|"oversetrightar...

    Text Solution

    |

  4. A body is executing circular motion in the vertical plane containing d...

    Text Solution

    |

  5. If the magnitude of velocity in the previous question is decreasing wi...

    Text Solution

    |

  6. The direction of angular acceleration of a body moving in a circle in ...

    Text Solution

    |

  7. The second's hand of a watch has length 6 cm. Speed of end point and m...

    Text Solution

    |

  8. A point P moves in counter clockwise direction on a circular path as s...

    Text Solution

    |

  9. A spot light S rotates in a horizontal plane with a constant angular v...

    Text Solution

    |

  10. Which of the following statements is FALSE for a paricle moving in a...

    Text Solution

    |

  11. A particle is moving in a circle:

    Text Solution

    |

  12. A particle of mass m is tied to light string and rotated with a speed ...

    Text Solution

    |

  13. Which vector in the figures best represents the acceleration of a pend...

    Text Solution

    |

  14. A conical pendulum is moving in a circle with angular velocity omega a...

    Text Solution

    |

  15. A point mass m is suspended from a light thread of length l, fixed at ...

    Text Solution

    |

  16. A long horizontal rod has a bead which can slide along its length and ...

    Text Solution

    |

  17. An insect crawls up a hemispherical surface very slowly (see the figur...

    Text Solution

    |

  18. The maximum velocity (in ms^(-1)) with which a car driver must travers...

    Text Solution

    |

  19. A particle is acted upon by a force of constant magnitude which is alw...

    Text Solution

    |

  20. A car runs around a curve of radius 10m at a constant speed of 10ms^(-...

    Text Solution

    |