Question Detail
Question
A piece of wood (density 706 kg/m³) fully immersed in water has volume 8.00×10⁻⁶ m³. Find the tension in the string.
Correct Answer
Option B is the correct answer.
Detailed Explanation
Tension = buoyant force − weight = ρwaterVg − ρwoodVg ≈ 0.023 N.
Hint
Use Archimedes principle.