A block of silver of mass 4 kg hanging from a string is immersed in a liquid of relative density 0.72. If relative density of silver is 10, then tension in the string will be:[ take g = 10 m/s2 ]
37.12N
42N
73N
21N
Net force on the body -
- wherein
Let ,
be the density of silver and liquid. Also m and V be the mass and volume of silver block.
Tension in string = mg – bouyant force
Also
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