Upthrust - Density of fluids

The upward force exerted by a fluid is called the...

• buoyancy force

• density force

• fluidity force

• normal force

What is displacement?

• The ability to float

• Degree of compactness of a substance

• The moving of something from its place or position

Which of the following is true of the buoyant force?

• it acts in the downward direction

• it acts with the force of gravity

• it acts in the upward direction

• Ii makes an object feel heavier

A ship stays afloat as long as the buoyant force is

• less than the ship's weight

• equal to the ship's weight

• less than the ship's speed

• greater than the ship's speed

The mass per unit volume of a substance is its

• density

• buoyancy

• weight

• fluid pressure

An object that is more dense than the fluid in which it is immersed will

• sink

• rise

• neither rise nor sink

• sink at first, than rise slowly

Which box has a higher density?

• Box A

• Box B

• cannot be determined

• they are the same

The term fluids generally applies to:

• solid and liquid

• liquid and gas

• solid and plasma

• water only

Which of these forces is the upthrust?

• A

• B

• C

• D

Dylan has two beakers filled with liquids. Beaker A has a liquid with a density of 1.78 grams/mL and Beaker B has a liquid with a density of .64 grams/mL. If Dylan poured the beakers into a graduated cylinder, what would happen?

• The liquid in Beaker A would float on the liquid of Beaker B

• The liquid in Beaker B would float on the liquid of Beaker A.

• The liquids would turn into a solid.

• The liquids would combust.