10 Questions
A block of wood is partially submerged in water. What is the direction of the buoyant force on the block?
Upward
What is the force exerted by a fluid per unit area on an object?
Fluid pressure
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?
Downward
What is the reason for an object to float or sink in a fluid?
Density of the object
According to Archimedes' Principle, what is the magnitude of the buoyant force on an object?
Equal to the weight of the fluid displaced
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?
Buoyant force
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?
The weight of the ice is equal to 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?
The buoyant force increases
A stone is thrown into a river. What is the direction of the buoyant force on the stone?
Upward
A helium balloon is released in the air. What is the reason for the balloon to rise up?
The weight of the balloon is less than the buoyant force
Test your understanding of fluid pressure, buoyant force, and Archimedes' principle with this quiz based on the Bhutanese physics textbook for 9th class. Assess your knowledge of these fundamental concepts and improve your problem-solving skills. Get ready to dive into the world of fluids and buoyancy!
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