Chapter 14 Crash Course Fluids (14-2)

What is the unit of measurement for density?

• Kilograms per meters cubed

• Newtons per meters squared

• Pascals

• Meters per second squared

What does pressure in fluids depend on?

• Volume only

• Mass only

• Density and depth

• Temperature only

What principle states that pressure applied to a confined fluid increases the pressure throughout by the same amount?

• Archimedes' Principle

• Pascal's Principle

• Newton's First Law

• Bernoulli's Principle

What is the average air pressure at sea level?

• 101,325 Pascals

• 1,013.25 Pascals

• 10,132.5 Pascals

• 101.325 Pascals

What device is used to measure the pressure of a bike tire?

• Hydrometer

• Thermometer

• Barometer

• Manometer

According to Archimedes' Principle, what causes the buoyant force?

• The volume of the object only

• The density of the fluid only

• The mass of the object in the fluid

• The weight of the fluid displaced by an object

What happens to the pressure as you dive deeper into a pool?

• It decreases

• It remains constant

• It increases

• It fluctuates

What is the correct formula to calculate the pressure of a fluid at a given depth?

• Density - (gravity * height)

• Density + (gravity / height)

• Density / (gravity * height)

• Density * gravity * height

What is the principle behind hydraulics?

• Pascal's Principle

• Archimedes' Principle

• Newton's Third Law

• Bernoulli's Principle

Who discovered the principle that explains why objects float or sink?

• Isaac Newton

• Albert Einstein

• Blaise Pascal

• Archimedes