Buoyancy Quiz

What is the formula for calculating the buoyant force acting on an object submerged in a liquid?

• Fb = m * g

• Fb = P * V * g

• Fb = ρ * V * g

• Fb = V * g

Where does the buoyant force act on an immersed body?

• Centre of Buoyancy

• Centre of Inertia

• Centre of Mass

• Centre of Gravity

What is the condition for a floating body to be in stable equilibrium?

• Metacentre coinciding with Centre of Gravity

• Metacentre above Centre of Gravity

• Metacentre at the bottom

• Metacentre below Centre of Gravity

What is the point called where the line of action of the upthrust cuts the original vertical through the centre of gravity of a floating body?

• Centre of Buoyancy

• Metacentre

• Centre of Mass

• Centre of Gravity

In a stable equilibrium of a floating body, what happens if the metacentre lies above the centre of gravity?

• Overturning moment is produced

• Body moves further from equilibrium

• Righting moment is produced

• Body remains in displaced position

What is the distance from the bottom of a floating body to the metacentre called?

• Centre of Gravity

• Centre of Buoyancy

• Metacentric Height

• Centre of Inertia

What is the second moment of area used for in determining the stability of floating bodies?

• Calculating weight

• Calculating volume

• Calculating metacentric height

• Calculating density

In the stability of a fully submerged body, what happens if the centre of gravity is below the centre of buoyancy?

• Body is stable

• Body is unstable

• Body is neutral

• Body moves further from equilibrium

What is the theory/law/principle that states the weight of a body immersed in a liquid is equal to the weight of the liquid displaced?

• Einstein's Theory

• Archimedes' Principle

• Newton's Law

• Boyle's Law