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A rod of length llt2R0 is kept inside a ...

A rod of length `llt2R0` is kept inside a smooth sperical shell as shwon in fifure .mass of the rod is m . The normal reaction when l=R is

A

`(mg)/(2)`

B

`(mg)/(4)`

C

`(mg)/(2sqrt(3))`

D

`(mg)/(sqrt(3))`

Text Solution

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The correct Answer is:
d
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