posted by hank .
An iron (ƒâ = 7860 kg/m3) cube measuring 15.4 cm on a side is suspended from a wire. Find the tension in the wire when the block is completely submerged in water
(ƒâ = 1000 kg/m3).
apparent ρ=7860-1000=6860 kg/m²
Tension in wire
=246 N (approx.)