Home
Class 11
PHYSICS
If x, F and U denote the displacement fo...

If x, F and U denote the displacement force acting on and potential energy of a particle:

A

`U = F`

B

`F = + dU/dx`

C

`F=-dU/dx`

D

`F = 1/x(dU/dx)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • WORK , ENERGY & POWER

    NARAYNA|Exercise (C.U.Q ) MOTION IN A VERTICAL CIRCLE|6 Videos
  • WORK , ENERGY & POWER

    NARAYNA|Exercise (C.U.Q ) COLLISIONS|14 Videos
  • WORK , ENERGY & POWER

    NARAYNA|Exercise Evaluate Yourself - 6|8 Videos
  • WAVES

    NARAYNA|Exercise Exercise-IV|56 Videos
  • WORK POWER AND ENERGY

    NARAYNA|Exercise Level-VI (Integer)|12 Videos

Similar Questions

Explore conceptually related problems

If x,F and U denote the dispalcement, force acting on and potential energy of a particle then

A particle is executing SHM with amplitude A. At displacement x=(-A/4) , force acting on the particle is F, potential energy of the particle is U, velocity of particle is v and kinetic energy is K. Assuming potential energyh to be zero at mean position. At displacement x=A/2

A particle is executing SHM. At a displacement y_(1) its potential energy is U_(1) and at a displacement y_(2) its potential energy is U_(2) . The potential energy of the particle at displacement (y_(1)+y_(2)) is

The potential energy of a body is given by U = A - Bx^(2) (where x is the displacement). The magnitude of force acting on the partical is

The potential energy function of a particle in a region of space is given as U=(2xy+yz) J Here x,y and z are in metre. Find the force acting on the particle at a general point P(x,y,z).

A particle of mass m initially at rest. A variabl force acts on the particle f=kx^(2) where k is a constant and x is the displacment. Find the work done by the force f when the speed of particles is v.

A body is executing a simple harmonic motion such that its potential energy is U_(1) at U_(2)at y When the displacement is x+y the potential energy will be

A particle with total energy E is moving in a potential energy region U(x). Motion of the particle is restricted to the region when

The displacement-time graph of a particle acted upon by a constant force is

A body executes simple harmonic motion. At a displacement x, its potential energy is U_1 . At a displacement y, its potential energy is U_2 . What is the potential energy of the body at a displacement (x + y)?

NARAYNA-WORK , ENERGY & POWER -C.U.Q
  1. Which of the following forces is called a conservative force?

    Text Solution

    |

  2. Identify the non-conservative force in the following

    Text Solution

    |

  3. If x, F and U denote the displacement force acting on and potential en...

    Text Solution

    |

  4. In the case of conservative force

    Text Solution

    |

  5. The total work done on a particle is equal to the change in its kineti...

    Text Solution

    |

  6. A lorry and a car moving with the same KE are brought to rest by apply...

    Text Solution

    |

  7. A shell is fired into air at an angle theta with the horizontal form t...

    Text Solution

    |

  8. A cricket ball and a ping-pong ball are dropped in a vacuum chamber fr...

    Text Solution

    |

  9. A cyclist free-wheels from the top of a hill, gathers speed going down...

    Text Solution

    |

  10. If 'E' represents total mechanical energy of a system while 'U' repres...

    Text Solution

    |

  11. For a body thrown vertically upwards, its direction of motion changes ...

    Text Solution

    |

  12. Internal forces can change

    Text Solution

    |

  13. The negative of the work done by the conserative internal forces on a ...

    Text Solution

    |

  14. Which of the following statement is wrong?

    Text Solution

    |

  15. When a body falls from an aeroplane there is increase in its :

    Text Solution

    |

  16. A body is projected from ground obliquely. During downward motion, pow...

    Text Solution

    |

  17. The blades of a wind mill sweep out a circle of area A. If wind flows ...

    Text Solution

    |

  18. A pump is used to pump a liquid of density rho continuously through a ...

    Text Solution

    |

  19. A body is moved from rest along a staight line by a machine deliverin...

    Text Solution

    |

  20. A pump motor is used to deliver water at a certain rate from a given p...

    Text Solution

    |