Q. 155.0( 3 Votes )
Some machines use streamlined shape to reduce friction. Name them.
Streamline shape is used to reduce the friction by the objects moving in fluids(air and water). The general machines using Streamline shapes are:–
III. Bullet Trains.
IV. F 1 Cars.
All those objects which are pointed from forward to cut the air every time and get inside it and throw it backward like a bullet.
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