Home
Class 9
PHYSICS
Illustrate the law of conservation of en...

Illustrate the law of conservation of energy by discussing the energy changes which occur when we draw a pendulum bob to one side and allow it to oscillate. Why does the bob eventually come to rest ? What happens to its energy eventually ? Is it a violation of the law of conservation of energy ?\

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

What do you mean by the law of conservation of energy ?

An aeroplane's velocity is doubled, What happens to kinetic energy ? Is the law of conservation of energy obeyed ?

The kinetic energy of a freely falling ball is not conserved. Why is this not a violation of the law of conservation of energy ?

State the law of conservation of energy. Give some examples in which this law is obeyed.

The potential energy of a freely falling object decreases progressively. Does this violate the law of conservation of energy ? Why ?

When you lift a box from the floor and put it one an almirah the ptotential energy of the box increases, but thre is no change in its kinetic energy. Is it a violation of consevation of energy?

What is Lenz law? Show that it is in accordance with conservation of energy.

Does Len'z law violet the principle of energy conservation ?

According to the Law of Conservation of Energy , as energy changes from one form to another form , the total energy of that system

PRADEEP-SOUND-Model Test (sec - A)
  1. Why does an iron ship float on water ?

    Text Solution

    |

  2. A wooden sphere of radius 1.0 cm sinks in water. On coating it with a ...

    Text Solution

    |

  3. (a) A satellite goes from a low circular Earth orbit to a higher circu...

    Text Solution

    |

  4. (a) How can you visualise a power of 1 k W ? (b) Describe the energy...

    Text Solution

    |

  5. (a) How does sound produced by a source reach the listener ? (b) Wha...

    Text Solution

    |

  6. "Utrasound cannot be detedted by humans but can be by other animals". ...

    Text Solution

    |

  7. (a) What is the function of pinna ? (b) You observe that the delay b...

    Text Solution

    |

  8. The mass of a block made of certain material is 13.5 kg and its volume...

    Text Solution

    |

  9. A body of mass 10 g floats with (3//4)th of its volume above water. Fi...

    Text Solution

    |

  10. (a) What is meant by pressure ? How is it related to thrust ? (b) St...

    Text Solution

    |

  11. Calculate the work required to be done to stop a car of 1500 kg moving...

    Text Solution

    |

  12. What is meant by the power of an agent ? How is it related to the forc...

    Text Solution

    |

  13. What is potential energy ? Give examples of bodies possessing various ...

    Text Solution

    |

  14. The recent horrific strom surge flooding New Jersey and New york in US...

    Text Solution

    |

  15. (a) What is the threshold of hearing and what is the treshold of pain ...

    Text Solution

    |

  16. (a) What are transverse waves ? Give examples. (b) How can it be dem...

    Text Solution

    |

  17. State Archimedas' principle. How can it be experimentally verified ?

    Text Solution

    |

  18. What ids gravitational potential energy ? Obtain an expression for it ...

    Text Solution

    |

  19. (a) What is kinetic energy due to ? Derive an expression for it in cas...

    Text Solution

    |

  20. Illustrate the law of conservation of energy by discussing the energy ...

    Text Solution

    |