Home
Class 11
PHYSICS
What is work done when a body is moving ...

What is work done when a body is moving at constant speed over a frictionless horizontal surface ?

Text Solution

Verified by Experts

Work done is zero, as `F=0`.
Promotional Banner

Topper's Solved these Questions

  • WORK, ENERGY AND POWER

    PRADEEP|Exercise Short Answer Question|52 Videos

  • WORK, ENERGY AND POWER

    PRADEEP|Exercise Long Answer Question|24 Videos

  • WORK, ENERGY AND POWER

    PRADEEP|Exercise Conceptual Problems|27 Videos

  • THERMODYNAMICS

    PRADEEP|Exercise Assertion- Reason Type Questions|19 Videos

Similar Questions

Explore conceptually related problems

When a body moves with a constant speed along a circle

If a body moves with a constant speed in a circle

If a body is moving with constant speed, then its acceleration

What is the work done against gravity when a body is moved horizontally along a frictionless surface ?

What is work done when body will displaces perpendicular to the force ?

A body is moving at constant speed over a frictionless surface. What is the work done by the weight?

Is the work required to be done by an external force on an object on a frictionless , horizontal surface to accelerate it from a speed v to a speed 2v

Work is always done on a body when

A disc is in pure rolling motion on a rough horizontal surface. It enters into a frictionless horizontal surface. What will happen?

Two identical 5 kg blocks are moving with same speed of 2m//s towards eachother along a frictionless horizontal surface. The two blocks collide, stick together and come to rest. Consider the two blocks as a system. Caluculate work done by (i) external forces (ii) internal forces.

PRADEEP-WORK, ENERGY AND POWER-Very Short Anwer Question.
  1. A force acts perpendicular to the direction of motion of a body. What ...

    Text Solution

    |

  2. What is work done when a body is moving at constant speed over a frict...

    Text Solution

    |

  3. State the factors on which work done by a force depends.

    Text Solution

    |

  4. What should be the angel between the direction of force and displaceme...

    Text Solution

    |

  5. What is work done by the force of tension in the string of a simple pe...

    Text Solution

    |

  6. What is represented by area under the force displacement curve?

    Text Solution

    |

  7. Give an example in which a force does work on a body but fails to chan...

    Text Solution

    |

  8. Does a man standing at rest on a moving truck possess KE?

    Text Solution

    |

  9. Out of joule, calorie, kilowatt and electron volt, which one is not th...

    Text Solution

    |

  10. Is power a scalar or vector ?

    Text Solution

    |

  11. Name the physical quantity, which is expressed as force times velocity...

    Text Solution

    |

  12. When is KE of a planet revolving around the sunn maximum?

    Text Solution

    |

  13. What is work done by centripetal force in moving on body half-cycle on...

    Text Solution

    |

  14. Show graphically the variation of potential energy of an object thrown...

    Text Solution

    |

  15. What is spring constant ? What are its SI units?

    Text Solution

    |

  16. Name the process in which momentum changes but KE does not.

    Text Solution

    |

  17. What is the source of KE of falling rain drops ?

    Text Solution

    |

  18. What is work done in holding a 15kg suitcase while waiting for a bus f...

    Text Solution

    |

  19. Is it practically possible to have situtations where (E-V)lt0?

    Text Solution

    |

  20. Can K.E. of a system be increased or decreased without applying any e...

    Text Solution

    |