Question

14. What do you understand by the term streamlining? Name a few machines which use streamlining to
reduce friction.
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Answer 1

Explanation:

Streamlining is the shaping of machines so as to minimize the air or water resistance(friction). Few machines which use streamlining for minimizing friction are: 1) AeroplaneMany animals, such as birds and dolphins, and many machines, such as airplanes and submarines, have streamlined bodies to reduce friction drag as they move through either air or water.

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