1.

a container filled with glycerine of density σ becomes constant after sometime. The viscous force acting on the ball in the final stage is

Answer»

`MG ((sigma )/(RHO))`
`mg (1+(sigma )/(rho))`
`mg (1- (sigma)/(rho))`
mg

SOLUTION :`F_(v) =mg -TH`
`=mg (1- (Th)/(mg))=mg (1- (v sigmag)/(v rhog))`
`=mg (1- (sigma)/(rho))`


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