Home
Class 11
PHYSICS
If the force acting on a body is inverse...

If the force acting on a body is inversely proportional to its speed, then its kinetic energy is

A

linearly related to time

B

inversely proportional to time

C

inversely proportional to the square of time

D

a constant

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • WORK POWER AND ENERGY

    NARAYNA|Exercise Level- I (C.W)|60 Videos
  • WORK POWER AND ENERGY

    NARAYNA|Exercise Level- II (C.W)|68 Videos
  • WORK POWER AND ENERGY

    NARAYNA|Exercise Level-VI (Integer)|12 Videos
  • WORK , ENERGY & POWER

    NARAYNA|Exercise EXERCISE IV|43 Videos

Similar Questions

Explore conceptually related problems

If the force acting on a body is inversely proportional to its speed, the kinetic energy of the body is

The energy of photon is inversely proportional to its

A particle is revolving in a circle of radius R. If the force acting on it is inversely proportional to R, then the time period is proportional to

If the kinetic energy of body is directly proportional to time t , the magnitude of force acting on the body is (i) directly proportional to sqrtt (ii) inversely proportional to sqrtt (iii) directly proportional to the speed of the body. (iv) inversely proportional to the speed of the body.

If the kinetic energy of a body is directly proportional to time t, the magnitude of the force acting on the body is

Suppose the force of gravitation is inversely proportional to the cube of the radius of circular orbit in which satellite is revolving then its time period is proportional to

Average kinetic energy of a gas is inversely proportional to the absolute temperature.

Consider the following statements for a simple harmonic motion: 1. The magnitude of the velocity of the body is proportional to its displacement from the mean position. 2. The magnitude of the acceleration of the body is proportional to its displacement from the mean position. 3. The sum of the kinetic energy and potential energy of the body is always constant. Which of the statements given above is/are correct?

If the momentum of a body is increased n times, its kinetic energy increases

NARAYNA-WORK POWER AND ENERGY-C.U.Q-Key
  1. Consider the following two statements: A. Linear momentum of a syste...

    Text Solution

    |

  2. Internal forces can change

    Text Solution

    |

  3. If the force acting on a body is inversely proportional to its speed, ...

    Text Solution

    |

  4. Which of the following graphs depicts the variation of KE of a ball bo...

    Text Solution

    |

  5. Which of the following statements is correct?

    Text Solution

    |

  6. Two bodies of unequal masses have same linear momentum. Which one has ...

    Text Solution

    |

  7. Two bodies of masses m(1) and m(2) have equal KE. Their momenta is in...

    Text Solution

    |

  8. A body can have

    Text Solution

    |

  9. A rock of mass m is dropped to the ground from a height h. A second ro...

    Text Solution

    |

  10. These diagrams represent the potential energy U of a diatomic molecule...

    Text Solution

    |

  11. Two springs have their force constants K(1) and K(2) and they are stre...

    Text Solution

    |

  12. Two spring have their force constants K(1) and K(2)(K(2) gt K(1)). Whe...

    Text Solution

    |

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

    Text Solution

    |

  14. A shell is fired into ait at an angle theta with the horizontal form t...

    Text Solution

    |

  15. A cricket ball and a ping-pong ball are dropped. When they vacuum cham...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  19. Internal forces can change

    Text Solution

    |

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

    Text Solution

    |