physics form 3 papers with answers
ect. Answer: The buoyant force \( F_b \) is given by Archimedes’ principle: \[ F_b = \rho \times g \times V \] Where: \( \rho = 1000\, \text{kg/m}^3 \) \( g = 9.8\, \text{m/s}^2 \) \( V = 0.5\, \text{m}^3 \) Calculating: \[ F_b = 1000 \times 9