Home
Class 12
PHYSICS
The work done on a particle moving round...

The work done on a particle moving round a horizontal circular path of radius r with uniform speed v under a centripetal force F is equal to,

A

mvr

B

0

C

`mor^(2)`

D

`mv^(2)/r`

Text Solution

Verified by Experts

The correct Answer is:
b
Promotional Banner

Topper's Solved these Questions

  • WAVES OPTICS

    SIA PUBLICATION|Exercise M.C.Q|23 Videos

Similar Questions

Explore conceptually related problems

A particle of mass M moves in a circular path of radius r with a constant speed equal to V. Then its centripetal acceleration is

A car of mass Mis moving on a horizontal cirular path of radius r. At some instant its speed is v and in increasing at a rate a, then

A particle of mass M is moving in a horizontal circle of radius R with uniform speed v. When the particle moves from one point to a diametrically opposite point , its

A praticle moves in a circular path with a uniform speed. Its motion is

SIA PUBLICATION-WORK, ENERGY AND POWER-MCQ
  1. A body of mass m, moving with a velocity 10 ms. collides with another ...

    Text Solution

    |

  2. A ball is projected vertically down with an initial velocity from a he...

    Text Solution

    |

  3. A 10 HP motor pumps out water from a well of 30 m and fills a water ta...

    Text Solution

    |

  4. An object initially at rest explodes into 3 fragments A,B and C. The m...

    Text Solution

    |

  5. A ball A moving with a speed of 90 ms' collides directly with another ...

    Text Solution

    |

  6. A mass of 12 kg at rest explodes into two pieces of masses 4 kg and 8 ...

    Text Solution

    |

  7. A force vecF = 3hati+chatj+2hatkacting on a particle causes a displace...

    Text Solution

    |

  8. A solid wooden block resting on a frictionless surface is hit by a bul...

    Text Solution

    |

  9. Two bodies with kinetic energies in the ratio of 4 : 1 are moving with...

    Text Solution

    |

  10. A uniform chain of length L hangs partially from table and held in equ...

    Text Solution

    |

  11. At high altitude, a body explodes at rest into two equal fragments wit...

    Text Solution

    |

  12. 1s 48. Two bodies have masses 2 m and m. Their kinetic energies are in...

    Text Solution

    |

  13. Two trolleys of masses m and 3 m are connected by aspring. The spring ...

    Text Solution

    |

  14. A 2 kg mass moving on a smooth frictionless surface with a velocity of...

    Text Solution

    |

  15. A 2 kg body and 3 kg body have equal momentum. If the kinetic energy o...

    Text Solution

    |

  16. A bullet of mass x moves with a velocity y, hits a wooden block of mas...

    Text Solution

    |

  17. A ball of mass m moving with a velocity collides head on elastically w...

    Text Solution

    |

  18. The work done on a particle moving round a horizontal circular path of...

    Text Solution

    |

  19. A railway truck of mass m = 2 xx10^(4) kg travelling at 0.5 ms^(-1) co...

    Text Solution

    |

  20. A particle of mass 4 m which is at rest explodes into three fragments....

    Text Solution

    |