Forces in Fluids Review

Air pressure decreases as

• gravity increases

• acceleration decreases

• elevation increases

• velocity increases

Water pressure increases as

• gravity decreases

• depth increases

• force decreases

• acceleration increases

What scientific rule describes why water squirts from a plastic bottle when it is squeezed?

• Pascal's principle

• Bernoulli's principle

• Archimedes' principle

• Newton's 1st law of motion

When water fills a submarine's floatation tanks, the overall density of the submarine...

• decreases

• stays the same

• increases

• reduces the buoyant force

Pascal's principle states that when force is applied to a confined fluid, the change in pressure is transmitted...

• only to the area where the pressure is applied

• equally to all parts of the fluid

• to any weakness in the fluid's container

• in the direction of the buoyant force

Smoke rises up a chimney partly because of....

• Archimedes' principle

• Pascal's principle

• Bernoulli's principle

• Newton's 3rd law of motion

Tags

NGSS.MS-PS1-4

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

• sink at first, than rise slowly

• neither rise nor sink

• rise

• sink

A substance whose shape can easily change is a.....

• powder

• solid

• fluid

• metal

Tags

NGSS.MS-PS1-4

A material that can easily flow is called a....

• solid

• fluid

• buoyant force

• hydraulic material

Tags

NGSS.MS-ESS2-4

The pressure in the deepest parts of the ocean is roughly how many times the usual air pressure you experience?

• 10

• 100

• 1,000

• 1,000,000