Question

A block of wood with length = 2.5 m, width = 0.5 m and height = 0.4 m. The density of water

is 1000 kg/m3. If the block is placed in the water, what is the buoyant force ?

Answer 1

$F_A=\rho gV=\rho gabc,$

$F_A=5~kN.$