Q.

Is it true that by streamlining a body we can reduce friction caused by air or water?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is true.
Friction is minimum for a streamlined shaped body, which is rounded in the front and narrow at the back.
Which is a streamlined object? (a) Boats (b) Aeroplanes (c) Ships (d) All  of these - Brainly.inIt is the reason why the bodies of aeroplanes, missiles, rockets, cars are streamlined. The streamline bodies have been given to birds and fishes by nature which reduces the friction and helps them in easy motion.
 
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