Class 9 Physics: Work, Energy, and Power Quiz
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Questions and Answers

Which quantity is defined as the rate of doing work?

  • Force
  • Momentum
  • Power (correct)
  • Energy

    • The unit of measurement for work is equivalent to which of the following units?

  • Newton
  • Pascal
  • Watt
  • Joule (correct)

    • In the context of energy, what is the principle of conservation of energy?

  • Energy is constantly decreasing in the universe.
  • Energy can be created but not destroyed.
  • Energy is neither created nor destroyed, only transferred or converted from one form to another. (correct)
  • Energy can be destroyed but not created.

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