Unit 8 · Simple Machine

Efficiency

ScienceSubject
8 minEstimated read
क्रियाकलाप 8.5

Observing Complex Machines and Discussing Them

Method
  • Watch a display of pictures or audio visual material showing a water lifting pump, a motor car engine, a sewing machine and the very large machines used in factories.
  • Discuss the questions below and reach a conclusion.
Discussion
  • Why is a car engine taken as a complex machine?
  • Are all complex machines made from simple machines?
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