Question

why front portion of aeroplane has a spherical shape or is streamlined​

Answer 1

answer

answerThe main reason is to reduce the air drag or friction due to air. The aerodynamic shape is designed to have minimum drag or friction with air so it can go forward more efficiently with less fuel consumption. Airplanes are streamlined so that they experience less friction with the air around them as they fly.

Answer 2

Answer:

to overcome the fluid friction(i.e,friction caused due to air) it is streamlined