Fluids and Buoyant Force

A nonsolid state of matter  in which the atoms or molecules are free to move past each other.

• fluid
• solid
• liquid
• gas

_______ is the upward force exerted by a liquid on an object floating in the liquid.

• pressure

• buoyant force

• normal force

• fluid force

The buoyant force on floating objects equals the weight of the floating object 

• true
• false

Which fluid is denser?

• water
• oil 
• soap

The weight of an object immersed in a fluid is called...

• mass
• gravity
• apparent weight
• weight

What is the density of an object with a mass of 2 kg and a displaced volume of 0.001m³ ?

• 20 kg/m³
• 2.0 x 10³ kg/m³
• 20,000 kg/m³

Which of the following is a fluid?

• ice
• iron
• titanium
• helium

If an object weighing 50.0 N displaces a volume of water with a weight of 10.0 N, what is the buoyant force on the object?

• 10 N
• 60 N
• 40 N 
• 20 N 

Which of the following instruments can be used to calculate an object's density in a lab?

• graduated cylinder 
• ruler
• Bunsen Burner 
• microscope

Which bundle weights more?

• 1 kg of nails
• 1 kg of cotton
• both have the same weight