What is the name of 'special shape' which is given to objects moving through the air (or water) to reduce drag?

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Solution

The fluid friction or drag can be reduced by giving a shape called a streamlined shape to the objects which move through fluids like air or water. A streamlined shape is like a thin wedge or triangular objects lying on its base and sloping upwards gradually.

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Similar questions

(a) What is the drag? Give two examples for a drag force.
(b) How can you reduce the drag on something moving through the air?

How can you reduce the drag on something moving on:

(a) air

(b)water

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