Question

what do you understand by the term stermiled? name a few machines which use streamlining to reduce friction​

Answer 1

Answer:

Name a few machines which use streamlining to reduce friction

By Streamlining the object – The bodies of aeroplane, birds, fish, missiles, rockets, ships all have streamlined shape to reduce the frictional force exerted by fluids like water and air. ... and ball bearings which are used in machines to reduce friction.