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Question - Work and Energy - Scientific Conception of Work

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ConceptWork and Energy - Scientific Conception of Work  

Question

Look at the activities listed below. Reason out whether or not work is done in the light of your understanding of the term ‘work’.

  • Suma is swimming in a pond.
  • A donkey is carrying a load on its back.
  • A wind mill is lifting water from a well.
  • A green plant is carrying out photosynthesis.
  • An engine is pulling a train.
  • Food grains are getting dried in the sun.
  • A sailboat is moving due to wind energy.

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