question_answer

When a body falls in air, the resistance of air depends to a great extent on the shape of the body, 3 different shapes are given. Identify the combination of air resistances which truly represents the physical situation. (The cross sectional areas are the same).                                                     [KCET 2005]

A)            1 < 2 < 3                                  

B)            2 < 3 < 1

C)            3 < 2 < 1                                  

D)            3 < 1 < 2