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Bernoulli's Principle - Knowledge Check

Bernoulli's Principle - Knowledge Check

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Question 1 of 3

1. Question

Fill in the blank.

Bernoulli's Principle states that as the velocity of a fluid increases, its pressure BLANK 1 of 1.

Bernoulli's Principle states that as the velocity of a fluid increases, its pressure Fill in the blank 1 of 1 .

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Question 2 of 3

2. Question

Match each part of a spinning rotor blade to what happens to the air there.

Sort elements

Moves faster, creating lower pressure
Moves slower, creating higher pressure
Generates lift

Air flowing over the top of the blade

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Air flowing underneath the blade

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The pressure difference between the top and bottom

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Question 3 of 3

3. Question

You hold a strip of paper so it droops downward, then blow a steady stream of air along its top side. The paper rises. Why?

The air above the paper is at lower pressure than the air below it
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Your breath pushes the paper up from underneath
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Higher pressure above the paper pulls it upward
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The moving air makes the paper lighter
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