Buoyant Force -Multiple Choice Questions Quiz

Interactive MCQs on “Buoyant Force”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: What is the buoyant force?

(a) The force exerted by a floating object on the fluid
(b) The force exerted by a fluid on a submerged object
(c) The force that opposes the motion of an object in a fluid
(d) The force that causes an object to sink in a fluid

Question 2: According to Archimedes' principle, the buoyant force acting on an object is equal to:

(a) The weight of the object
(b) The volume of the object
(c) The density of the object
(d) The weight of the fluid displaced by the object

Question 3: When an object is completely submerged in a fluid, the buoyant force is equal to:

(a) The weight of the object
(b) Zero
(c) The volume of the object
(d) The weight of the fluid displaced by the object

Question 4: If the weight of an object is less than the buoyant force acting on it, the object will:

(a) Sink
(b) Float
(c) Stay suspended in the fluid
(d) Rotate

Question 5: The buoyant force on an object is affected by which of the following factors?

(a) The color of the object
(b) The size of the object
(c) The shape of the object
(d) The mass of the object

Question 6: What happens to the buoyant force on an object when it is partially submerged in a fluid?

(a) The buoyant force increases
(b) The buoyant force decreases
(c) The buoyant force remains the same
(d) The buoyant force becomes zero

Question 7: What happens to the buoyant force on an object as it sinks deeper into a fluid?

(a) The buoyant force increases
(b) The buoyant force decreases
(c) The buoyant force remains the same
(d) The buoyant force becomes zero

Question 8: A helium-filled balloon rises in the air because:

(a) The balloon's mass is less than the mass of the air it displaces
(b) The balloon's mass is greater than the mass of the air it displaces
(c) The balloon's density is less than the density of the air
(d) The balloon's density is greater than the density of the air

Question 9: If an object has a density greater than the density of the fluid it is placed in, it will:

(a) Float on the surface of the fluid
(b) Sink to the bottom of the fluid
(c) Experience no buoyant force
(d) Remain suspended in the fluid

Question 10: Which statement best explains why ice floats in water?

(a) Ice has a lower density than water
(b) Ice has a higher density than water
(c) The buoyant force on ice is greater than its weight
(d) The buoyant force on ice is less than its weight