# Buoyancy

A solid body weights 5N in water and 7N in Oil of relative density 0.85.The relative density of solid body material is?

1. 👍 0
2. 👎 0
3. 👁 1,043
1. 1.375

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2. 👎 0
2. how is it possible explination plz

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2. 👎 0
3. Ta = 5N
TB = 7N
Ta/TB = Ss-Sa/Ss-Sb
5/7= Ss-1/Ss-0.85
5Ss-4.25 = 7Ss-7
Ss=1.375
Where, Ss: Specific density of solid body
Sa: Specific density of water
SB: Specific density of oil
Ta: Apparent weight of body in water
TB : Apparent weight of the body in oil

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2. 👎 0

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