question_answer

A body A moves with constant velocity on a straight line path tangential to the earths surface. Another body B is 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)                         None of these