Fluid Pressure and Buoyancy: Class 9 Bhutanese Physics

A block of wood is partially submerged in water. What is the direction of the buoyant force on the block?

What is the force exerted by a fluid per unit area on an object?

A metal cube is completely submerged in water. If the density of the metal is greater than that of water, what is the direction of the net force on the cube?

What is the reason for an object to float or sink in a fluid?

According to Archimedes' Principle, what is the magnitude of the buoyant force on an object?

A boy jumps into a swimming pool from the side. What is the force that helps him to partially float on the surface of the water?

A piece of ice is floating in a bucket of water. What is the magnitude of the weight of the ice compared to the magnitude of the buoyant force?

A boat is floating in a lake. What happens to the buoyant force on the boat if it is loaded with more people?

A stone is thrown into a river. What is the direction of the buoyant force on the stone?

A helium balloon is released in the air. What is the reason for the balloon to rise up?