Question

ii. Why a sports car has oblong shape design?
iii. A body of mass m, suspended from a spring of consta
is cut, into half and the same body is suspended from
ratio fi/f2?​

Answer 1

cars are streamlined for giving a special shape to them. this is done to ensure that flow of air around the car as streamlined even when the car moves at a very high speed. this helps in smooth running of the car and therefore less energy is wasted against drag force.