A body a of mass m, while falling vertically downward under gravity, breaks into two parts-a body b of mass m/3 and a body c of mass 2m/3. The centre of mass of b and c taken together shifts compared to that of body a towards (a) body b (b) body c (c) does not shift (d) depends on the height of breaking.
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Center of mass will not shift from it's position as no external force is acted upon it to change it's position.
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