If external forces are absent and system is initially at rest, then location of center of mass in fixed. Which are the options are correct?
A. (i) & (ii)
B. (i), (ii), (iii)
C. (ii), (iii), (iv)
D. (i), (ii), (iii) (iv)
Answer:D
If external forces are absent and system is initially at rest, then location of center of mass in fixed. Which are the options are correct?
A. (i) & (ii) B. (i), (ii), (iii) C. (ii), (iii), (iv) D. (i), (ii), (iii) (iv)