Home
Class 11
PHYSICS
Show that work done on a body or by the ...

Show that work done on a body or by the body is equal to the net change in its kinetic energy.

Promotional Banner

Topper's Solved these Questions

  • WORK,ENERGY AND POWER

    BINA LIBRARY|Exercise EXERCISE|83 Videos
  • WAVES

    BINA LIBRARY|Exercise EXERCISE|97 Videos

Similar Questions

Explore conceptually related problems

Define moment of inertia of a body capable of rotation about an axis. Show that the moment of inertia of a body an axis is numerically equal to twice its kinetic energy if it rotates with unit angular velocity.

When a body falls freely towards the earth, then its total energy-

Show the rate of change of angular momentum of a particle is equal to the torque acting on it.

Work done by a body against friction always results in a loss of its kinetic/ potential energy.

When a body of mass 'm' moves with a velocity 'v' its kinetic energy-

A body of mass ‘m’ is moving with velocity ‘v' .If the mass of the body is doubled what will be its kinetic energy?

A light and a heavy body have the same momentum. Which one has larger kinetic energy?

A body of mass ‘m’ is moving with velocity ‘v’: If the velocity is doubled what will be its kinetic energy?

If the net external force acting on a body is zero, then the body at rest continues to remain at rest and a body in motion continues to move with uniform motion. What is the name given to this property of the body?

Does a single external force acting on a particle necessarily change its kinetic energy? Explain.

BINA LIBRARY-WORK,ENERGY AND POWER-EXERCISE
  1. State and prove work-energy theorem.

    Text Solution

    |

  2. State the principle of conservation of energy.How can it be proved in ...

    Text Solution

    |

  3. Show that work done on a body or by the body is equal to the net chang...

    Text Solution

    |

  4. Show that the sum of potential and kinetic energy of a body falling fr...

    Text Solution

    |

  5. Distinguish between elastic and inelastic collisions.

    Text Solution

    |

  6. Show that in one dimensional elastic collision of two particales of eq...

    Text Solution

    |

  7. Define the co-efficient of restitution. A particle of a mass m moving ...

    Text Solution

    |

  8. The momentum of two different masses are same.Show that the lighter ma...

    Text Solution

    |

  9. The K.E of two different masses are equal.Which of the masses,lighter ...

    Text Solution

    |

  10. If K.E of a body is doubled,what happens to its momentum?

    Text Solution

    |

  11. Two bodies having masses 1g and 4g are moving with equal K.E find the ...

    Text Solution

    |

  12. water of a river is striking the pillar of a bridge.Is work being done...

    Text Solution

    |

  13. A man is swimming upstream over a river such that he appears to be at...

    Text Solution

    |

  14. How much work is done on a body of mass m in moving it around a horizo...

    Text Solution

    |

  15. Give an example where work done by a force is zero.

    Text Solution

    |

  16. What is the power needed to maintain uniform circuler motion?

    Text Solution

    |

  17. Can a body have energy without having momentum?

    Text Solution

    |

  18. A ballon filled with hydrogen rises upward gaining both kinetic and po...

    Text Solution

    |

  19. A man of mass 60 kg walks up to the top of a building of height 15 m....

    Text Solution

    |

  20. A man cycles up a hill whoes slope is 1 m in 25 at the rate of 10 km/h...

    Text Solution

    |