Question
Some machines use streamlined shape to reduce friction. Name them.
✓
Answer
Streamline shape is used to reduce the friction by the objects moving in fluids $($air and water$)$. The general machines using Streamline shapes are:
$i.$ Airplanes.
$ii.$ Ships.
$iii.$ Bullet Trains.
$iv. F1$ 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.
$i.$ Airplanes.
$ii.$ Ships.
$iii.$ Bullet Trains.
$iv. F1$ 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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