Home
Class 11
PHYSICS
Can kinetic energy of a body by negative...

Can kinetic energy of a body by negative ? Potential energy be negative ?

Text Solution

Verified by Experts

Kinetic energy of a body cannot be negative because if velocity in `1/2 mv^(2)` is negative and in potential energy of a body positive or negative .
Promotional Banner

Topper's Solved these Questions

  • WORK, ENERGY AND POWER

    KUMAR PRAKASHAN|Exercise SECTION - D NCERT Exemplar Solutions (Multiple Choice Questions)|21 Videos
  • WORK, ENERGY AND POWER

    KUMAR PRAKASHAN|Exercise SECTION - D NCERT Exemplar Solutions (Very Short Answer Type Questions)|12 Videos
  • WORK, ENERGY AND POWER

    KUMAR PRAKASHAN|Exercise SECTION - B Numericals (Numerical From .DARPAN. Based On Textbook)|15 Videos
  • WAVES

    KUMAR PRAKASHAN|Exercise SECTION-F (Questions From Module) (Sample questions for preparation of competitive exams)|23 Videos

Similar Questions

Explore conceptually related problems

Kinetic energy can be negative.

Which of the following statemente is / are INCORRECT? (a) Mechanical energy is the sum of kinetic energy and potential energy. (b) Potential energy is a relative quantity. It depends on the choice of reference point. (c ) Kinetic energy must be non negative. (d) Potential energy must be postive.

Can kinetic energy be negative? Why?

The kinetic energy of the object

If the kinetic energy of body increases then?

Which one among kinetic energy, potential energy and mechanical energy cannot be negative?

When the kinetic energy of the body executing SHM is (1)/(3) of potential energy, the displacement is………….% of amplitude.

KUMAR PRAKASHAN-WORK, ENERGY AND POWER -SECTION - C Objective Questions (VSQs)
  1. Define 1 eV:

    Text Solution

    |

  2. Does potential energy of a spring decrease/increase when it is compres...

    Text Solution

    |

  3. Can kinetic energy of a body by negative ? Potential energy be negativ...

    Text Solution

    |

  4. What is the work done on the body moving in uniform circular motion ?

    Text Solution

    |

  5. What is the area under the graph of F to x ? (F = external force , x =...

    Text Solution

    |

  6. The momentum of two unequal bodies is same , then which onehas larger ...

    Text Solution

    |

  7. The momentum of a body increased doubled .What is the percentage of i...

    Text Solution

    |

  8. A body is thrown upward at intial velocity of 7 ms^(-1) , then at whic...

    Text Solution

    |

  9. Obtain an equation of momentum in terms of mass and kinetic energy .

    Text Solution

    |

  10. Mention the dimensional formula of spring constant .

    Text Solution

    |

  11. What is necessary for work done when the force is exerted on the body ...

    Text Solution

    |

  12. Equal force is applied on one heavy weight and one light weight body ....

    Text Solution

    |

  13. When two bodies A and B are collide with each other . They work on ea...

    Text Solution

    |

  14. One body is displaced in the direction of X - axis up to 4 meter under...

    Text Solution

    |

  15. What will be the work done on the body moving with constant speed ?

    Text Solution

    |

  16. Find the kinetic energy when 2 gm bullet moves with the velocity of 50...

    Text Solution

    |

  17. The unit of spring constant is Jm^(-2) .Is the statement true or false...

    Text Solution

    |

  18. Which physical quantity is obtain by negative value of derivative of p...

    Text Solution

    |

  19. 1 Meg watt = ……….. erg/second .

    Text Solution

    |

  20. Why potential energy of a body increases when it is carried from the e...

    Text Solution

    |