The motion of the centre of mass is the result of |
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a) |
Internal forces |
b) |
External forces |
c) |
Attractive forces |
d) |
Repulsive forces |
The motion of the centre of mass is the result of |
|||||||
a) |
Internal forces |
b) |
External forces |
c) |
Attractive forces |
d) |
Repulsive forces |
(b) The motion of the centre of mass is the result of external forces. |