36. The buoyant force acting on an object submerged in a fluid is equal to the weight of the fluid displaced by the object. This statement is known as:
a) Pascal’s law
b) Bernoulli’s principle
c) Newton’s second law
d) Archimedes’ principle
37. A helium-filled balloon floats in the air because:
a) The weight of the balloon is less than the buoyant force
b) The weight of the balloon is greater than the buoyant force
c) The weight of the balloon is equal to the buoyant force
d) None of the above
38. The buoyant force acting on an object submerged in a fluid is dependent on the:
a) Gravitational force
b) Atmospheric pressure
c) Surface area of the object
d) All of the above
39. An object will sink in a fluid if its density is:
a) Greater than the density of the fluid
b) Less than the density of the fluid
c) Equal to the density of the fluid
d) None of the above
40. When an object floats in a fluid, the weight of the fluid displaced by the object is:
a) Greater than the weight of the object
b) Equal to the weight of the object
c) Less than the weight of the object
d) None of the above
