A body A of mass M while falling vertically downwards under gravity breaks into two parts: a body B of mass 13M and body C of mass 23M. The centre of mass of bodies B and C taken together shifts compared to that of body A towards:
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a
body C
b
body B
c
depends on height of breaking
d
does not shift
answer is D.
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Detailed Solution
No external horizontal force is applied, so acm = 0 in horizontal direction. Also there is no velocity in horizontal direction, so centre of mass does not shift compared to that of A.
A body A of mass M while falling vertically downwards under gravity breaks into two parts: a body B of mass 13M and body C of mass 23M. The centre of mass of bodies B and C taken together shifts compared to that of body A towards: