Momentum and CollisionHard
Question
A uniform metallic spherical shell is suspended from ceiling. it has two holes A ans B at top and bottom respective. Which of the following is / are true.
Options
A.If B is closed and sand is poured from A. centre of mass first rise and then falls
B.If shell is completely filled with sand and B is opened then centre of mass falls initially
C.If shell is slightly filled with sand and B is opened, then centre of mass falls.
D.None of these
Solution
Initial when the shell is empty the C.M lies at its genetic centre.Also when shell is filled with sand CM lies at its geometric centre.
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