Please solve q 205?

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1 Answer
Shubh
Apr 8, 2018

D. #(eta-1)mg#

Explanation:

Tension in the string = #Vsigmag-Vrhog#
as, #(sigma=etarho)#
= so, #Vetarhog-Vrhog#
= #Vrhog(eta-1)#
we can say #Vrhog=mg# (as it is force applied by the body to the ground or base of the vessel).
so, #(eta-1)mg#

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