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Question

Wind or air resistance depends on which of the following factors

ok;q izfrjks/ fuEu ?kVdks ij fuHkZj djrk gS

A.

Shape and size of vehicle body

B.

 Air velocity

C.

Speed of vehicle

D.

All of the mentioned

Answer ( Option D)

All of the mentioned

Solution

Expression for air resistance is A.R = k*A*V2.
Where 
‘k’ is coefficient of air resistance,
‘A’ is frontal area projected by the vehicle in m2 and
‘V’ is vehicle speed(in km/h)
Car Aerodynamics in a Wind Tunnel on Make a GIF


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