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10/05/2021 1:07 pm
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What is meant by “streamlined shape”? Where and why is this shape used? To whom has nature provided streamlined body?
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10/05/2021 1:08 pm
Streamlined shape means they are narrow in front and broader at the back. The bodies of aeroplanes, missiles and rockets are streamlined to reduce friction with air. Ships and boats have a streamlined shape to reduce friction with air. Nature has given birds and fish streamlined bodies.