Question

7.When a body lighter than water is completely submerged in water, the buoyant force acting on it is found to be 'n' times of its weight.The specific gravity of the material of the body is

Answer 1

weight of the body = mglet σ is the density of the objectρ is the density of the water.V is the volume of the object.weight = mg = Vσgbuoyant force = Vρgbuoyant force=n×weightVρg=nVσgσ = ρn