Examination of The Apparent Weight of Bodies

Fluids: Fluids are substances that can flow and take the shape of their container. Liquids and gasses are both considered fluids.

Density: Density is a measure of how much mass is contained in a given volume. It’s typically denoted by the symbol “ρ” (rho). The formula for density is: Density (ρ) = Mass (m) / Volume (V). The SI unit for density is kg/m³.

Buoyancy: Buoyancy is the upward force exerted by a fluid on an object immersed in it. It counteracts the force of gravity. 

Archimedes’ Principle: 

When a body is partially or fully immersed in a fluid at rest, the fluid exerts an upward force of buoyancy equal to the weight of the liquid displaced by the body.

Buoyant Force: The buoyant force (F_b) can be calculated using the formula: 

F_b = ρ_fluid x V_dis x g

Where

ρ_fluid is the density of the fluid, 

V_dis is the volume of fluid displaced by the submerged part of the object, and 

g is the acceleration due to gravity.

Apparent Weight of An Object in a Liquid

When an object is completely immersed in a fluid, its effective weight gets decreased. The decrease in its weight is equal to the buoyant force acting on it.

W_app = W_act – F_b

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