# gen physics

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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).

• gen physics -

apparent ρ=7860-1000=6860 kg/m²

Tension in wire
=apparent weight
=apparent mass*g
=(0.154³)*6860*9.81 N
=246 N (approx.)

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