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  1. Asked: In:

    What are the various energy transformations that occur when you are riding a bicycle?

    Rachna

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Science to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-11/

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Science to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-11/

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  2. Asked: In:

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

    Rachna

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Science to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-11/

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Science to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-11/

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    • 1
  3. Asked: In:

    A mass of 10 kg is at a point A on a table. It is moved to a point B. If the line joining A and B is horizontal, what is the work done on the object by the gravitational force? Explain your answer.

    Rachna

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Science to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-11/

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Science to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-11/

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    • 1
  4. Asked: In:

    Certain force acting on a 20 kg mass changes its velocity from 5 m s^–1 to 2 m s^–1. Calculate the work done by the force.

    Rachna

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Science to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-11/

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Science to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-11/

    See less
    • 1
  6. Asked: In:

    A battery lights a bulb. Describe the energy changes involved in the process.

    Rachna

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Science to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-11/

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Science to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-11/

    See less
    • 1