Question

Water sprinkler used for grass lawns begins to rotate as soon as as the water is supplied. Explain the principle on which it works.

  • Force and laws of motion CBSE Class 9
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Answer

The working of the rotation of sprinkler is based on third law of motion. As the water comes out of the nozzle of the sprinkler, an equal and opposite reaction force comes into play. So the sprinkler starts rotating.

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