+1 vote
in Fluid Mechanics by (118k points)
A body of dimensions 2.7 m * 3.8 m * 2.5 m, weighs 2500 N in water.Find its weight in air.

(a) 254.12 kN

(b) 508.25 kN

(c) 101.65 kN

(d) 127.06 kN

I had been asked this question in quiz.

I'm obligated to ask this question of Bouyancy in chapter Buoyancy and Floatation of Fluid Mechanics

1 Answer

+2 votes
by (362k points)
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Best answer
Correct answer is (a) 254.12 kN

The best I can explain: Weight of stone in air = Weight of water displaced+Weight of stone in water

                                                       = 9.81*1000*2.7*3.8*2.5+2500=254.12 kN.

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