Home
Class 11
PHYSICS
If a particle of mass is moving in a hor...

If a particle of mass is moving in a horizontal circle of radius r with a centripetal force `(k/r^2)` the total energy is

A

(-k/2r)

B

(-k/r)

C

(-2k/r)

D

(-4k/r)

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • CALORIMETRY, THERMAL EXPANSION; HEAT TRANSFER

    PATHFINDER|Exercise QUESTION BANK|228 Videos
  • ELASTICITY

    PATHFINDER|Exercise QUESTION BANK|139 Videos

Similar Questions

Explore conceptually related problems

Define centripetal force.A particle of mass m is rotating around a circular path of radius r. Find the centripetal acceleration of the particle and the magnitude and direction of the centripetal force acting on it.

A particle of mass m is moving in a circular orbit of radius r in a force field given by vecF = -k/r^2 hatr . The angular momentum L of the particle about the centre varies as

A particle of mass m is revolving in a circular path of constant radius r such that its centripetal acceleration a_(c) is verying with time t as a_(c) = k^(2) r t^(2) , where k is a constant. Determine the power delivered to the particle by the forces acting on it.

A particle of mass m is rotated in a circular path of radius r under the influence of a force F=-k/(r^2) , where k is a constant. Find the total energy of the particle.

A particle is moving with a uniform speed in a circular orbit of radius R in a central force inversely proportional to the n th power of R. If the period of rotation of the particle is T, then

PATHFINDER-CIRCULAR MOTION-QUESTION BANK
  1. An object moves at a constant speed along a circular path in a horizon...

    Text Solution

    |

  2. A cyclist riding the bicycle at a speed of 14sqrt3 ms^(-1) takes a tur...

    Text Solution

    |

  3. If a particle of mass is moving in a horizontal circle of radius r wit...

    Text Solution

    |

  4. A rod of length l and mass is rotated in a horizontal plane about its ...

    Text Solution

    |

  5. A particle mass m is moving in a horizontal circle of radius R with un...

    Text Solution

    |

  6. A body is revolving with a constant speed along a circular path, If th...

    Text Solution

    |

  7. One end of a string length l is connected to a particle of mass m and ...

    Text Solution

    |

  8. A particle describes a horizontal circle in a conical funnel whose inn...

    Text Solution

    |

  9. A motor cyclist moving with a velocity of 72km/h on a flat road takes ...

    Text Solution

    |

  10. A car of mass 800 kg moves on a circular track of radius 40m . If the ...

    Text Solution

    |

  11. The angular speed of seconds needle in a mechanical watch is

    Text Solution

    |

  12. A can filled with water is revolved in a vertical circle is a constant...

    Text Solution

    |

  13. A 2 kg stone at the end of string 1 m long is whirled in a vertical ci...

    Text Solution

    |

  14. A particle moves in a circular path with decreasing speed. Choose the ...

    Text Solution

    |

  15. A body of mass 1 kg is attached to an inextensible string of length 1 ...

    Text Solution

    |

  16. A body is moving with a constant speed v in circle of radius r

    Text Solution

    |

  17. A ball tied to a string is swing in vertical circle. The physical quan...

    Text Solution

    |

  18. A simple pendulum of length L and mass m is oscillating in a vertical ...

    Text Solution

    |

  19. A car of mass m is moving on a horizontal circular path of radius r . ...

    Text Solution

    |

  20. A small sphere of mass m suspended by a thread is first taken aside so...

    Text Solution

    |