1.

A man can lift a maximum weight of 30 kg_("wt"). In order to lift an object of weight 50 kg placed in a container, he pours a certain liquid into the container so that the object is completely immersed in it. What is the density of the liquid if he can just lift the object ? The volume of the liquid displaced is 10^(-2) m^(3).

Answer»

Solution :(i) APPARENT weight =Actual Weight -UPTHRUST
Upthrust `=V_(1)xxd_(1)xxg`
(II) `2 g cm^(-3), ("or") 2000 kg m^(-3)`.


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