+2 votes
in Fluid Mechanics by (118k points)
A stone weighs 450 N in air and 200 N in water. Compute the volume of stone.

(a) .025 m^3

(b) .05 m^3

(c) .075 m^3

(d) None of the mentioned

I have been asked this question at a job interview.

The origin of the question is Bouyancy in portion Buoyancy and Floatation of Fluid Mechanics

1 Answer

+1 vote
by (362k points)
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Best answer
The correct choice is (a) .025 m^3

To explain I would say: Weight of water displaced=Weight of stone in air – Weight of stone in water

                                                             =250

Volume of water displaced=Volume of stone=250/9.81*1000=0.025 m^3.

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