Fluids Review

Based on their density, which substance will sink in water?

• olive oil 0.92 g/cm³

• gasoline 0.69 g/cm³

• skim milk 1.04 g/cm³

• ethanol (fuel) 0.789 g/cm³

Determine the weight of an object that measures 2.4 m² and exerts 398 Pa of pressure.

• 398 N

• 955 N

• 69.2 N

• 166 N

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

• pressure

• buoyant force

• normal force

• fluid force

Which of the following is a fluid?

• ice
• iron
• titanium
• helium

The SI Unit for pressure is

• N

• kg/cm³

• psi

• Pa

Which of the following instruments can be used to measure atmospheric pressure?

• 
• 
• 
• 

Standing on one foot causes the pressure on the floor to:

• Increase
• Decrease
• Remain constant

What happens?

• Neither piston moves
• Piston A goes up and B goes down
• Piston B goes up and A goes down
• Both pistons go down

Tags

NGSS.MS-PS2-2

whose principle says buoyant force = the weight of the fluid an object displaces 

• Archimedes
• Pascal
• Bernoulli
• Einstein 

What is the buoyant force?

• 7 N
• 9 N
• 5 N
• 2 N

Tags

NGSS.MS-PS2-5