Forces in fluid quiz
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Forces in Fluid Quiz. Mr. Lewis’s 8 th Grade Science. Snowshoes enable a person to walk on deep snow because the snowshoes…. Decrease the person’s weight on the snow. Increase the area over which the person’s weight is distributed Increase the pressure on the snow

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Forces in Fluid Quiz

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Forces in fluid quiz

Forces in Fluid Quiz

Mr. Lewis’s 8th Grade Science


Snowshoes enable a person to walk on deep snow because the snowshoes

Snowshoes enable a person to walk on deep snow because the snowshoes…

  • Decrease the person’s weight on the snow.

  • Increase the area over which the person’s weight is distributed

  • Increase the pressure on the snow

  • Increase the buoyancy of the person


A unit of pressure is called a

A unit of pressure is called a …

  • Bernoulli

  • Pascal

  • Pound

  • meter


Air pressure exerted equally on an object from different directions is

Air pressure exerted equally on an object from different directions is …

  • Balanced pressure

  • Gravitational pressure

  • Fluid pressure

  • Constant pressure


Given that the air pressure outside your body is so great why aren t you crushed

Given that the air pressure outside your body is so great, why aren’t you crushed?

  • Human skin is extremely strong.

  • Earth’s gravity cancels out air pressure

  • Pressure inside your body balances the air pressure outside your body.

  • Inertia changes the pressure before it comes into contact with you.


Air pressure decreases as

Air pressure decreases as…

  • Velocity increases

  • Elevation increases

  • Acceleration decreases

  • Gravity increases


Water pressure increases as

Water pressure increases as…

  • Depth increases

  • Gravity increases

  • Force decreases

  • Acceleration increases


Which type of substance does pascal s principle deal with

Which type of substance does Pascal’s principle deal with?

  • Solids

  • Fluids

  • Powders

  • Metals


One application of pascal s principle is

One application of Pascal’s principle is…

  • A hydraulic car lift

  • The flight of an airplane

  • A speedboat’s bottom slapping against the waves.

  • The buoyancy shown by ducks and other waterfowl


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

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

  • Bernoulli’s principle

  • Archimedes’ principle

  • Pascal’s principle

  • Newton’s first law of motion


What does a hydraulic system do

what does a hydraulic system do?

  • Decrease pressure

  • Increase velocity

  • Multiply force

  • Reduce inertia


Answers

Answers

  • B

  • B

  • A

  • C

  • B

  • A

  • B

  • A

  • C

  • C


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