question_answer

 A body A moves with constant velocity on a straight line path tangential to the earths surface. Another body thrown vertically   upwards, it goes to a height and falls back on earth, A third body C is projected to an angle and follows a parabolic path as shown in figure. The bodies whose angular momentum relative to the centre of the earth is conserved are

A)  B only                                  

B)  B and C

C)  A, B. C                                 

D)