Fluids and Solids Quiz

Which of the following is a characteristic of a fluid?

• Definite shape

• High density

• Low viscosity

• Strong cohesion

What is pressure?

• The force applied to a surface

• The temperature of a fluid

• The weight of a fluid

• The volume of a fluid

According to Pascal's principle, what happens to the applied pressure on a confined fluid?

• It increases

• It decreases

• It remains the same

• It becomes zero

What is the buoyant force?

• The force exerted by a fluid on a surface

• The force exerted by an object on a fluid

• The upward force exerted on an object immersed in a fluid

• The downward force exerted on an object immersed in a fluid

What does Archimedes' principle state?

• The buoyant force on an object is greater than its weight

• The buoyant force on an object is equal to its weight

• The buoyant force on an object is unrelated to its weight

• The buoyant force on an object is less than its weight

According to Bernoulli's principle, what happens to the pressure exerted by a fluid as its velocity increases?

• It remains the same

• It increases

• It decreases

• It becomes zero

What is cohesive force?

• The force exerted by a fluid on a surface

• The electromagnetic forces of attraction that like particles exert on one another

• The force applied to a surface

• The tendency of liquids to minimize their surface area

What is surface tension?

• The tendency of liquids to minimize their surface area

• The electromagnetic forces of attraction that like particles exert on one another

• The force exerted by a fluid on a surface

• The force applied to a surface

What is adhesion?

• The force applied to a surface

• The force exerted by a fluid on a surface

• An attraction between particles of different substances

• An attraction between particles of the same substance

What is capillary action?

• The force applied to a surface

• The force exerted by a fluid on a surface

• The rise of a liquid in a narrow tube as a result of cohesive forces within the liquid

• The rise of a liquid in a narrow tube as a result of adhesive forces between the liquid and the tube