give any two situations where it is necessary to reduce friction?
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Friction is minimum for a streamlined shape, which is rounded in the front and narrow at the back. It is useful as: The bodies of aeroplane, missiles, rockets, cars are streamlined to reduce friction with air called air resistance.
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Answer:
Friction is minimum for a streamlined shape, which is rounded in the front and narrow at the back. It is useful as: The bodies of aeroplane, missiles, rockets, cars are streamlined to reduce friction with air called air resistance.
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