# The Four Aerodynamic Forces of Flight

## 18 Video Interactions

1. 00:00:45

In your STEM journal, you will be writing down what?

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2. 00:01:24

What are the four forces that affect flight?

(restate the question as a statement and include the answer in that statement)

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3. 00:02:14

(restate the question as a statement and include the answer in that statement)

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4. 00:02:22

Where does the pressure come from when we are talking about air pressure?

(restate the question as a statement and include the answer in your statement)

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5. 00:02:29

What did Bernoulli discover about about the speed of a fluid (in this case, air)?

(restate the question as a statement and include the answer in your statement)

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6. 00:03:02

Explain why the paper Bernoulli is blowing across rises in the air.

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7. 00:03:33

When air is going over/under the airfoil, which air is moving faster/slower and what kind of pressure is created?

(restate the question as a statement and include the answer in your statement)

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8. 00:03:47

When the pressure below the wing is greater than the pressure above the wing, what happens to the wing (plane)?

(restate the question as a statement and include the answer in your statement)

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9. 00:03:55

What is it called when the plane is pushed up due to the differences in pressure over and under the wing?

(restate the question as a statement and include the answer in your statement)

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10. 00:04:09

What is the forward force of a plane called that seeks to offset gravity?

(restate the question as a statement and include the answer in your statement)

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11. 00:04:13

Is the propeller an airfoil? Explain how.

(restate the question as a statement and include the answer in your statement)

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12. 00:04:36

What is relative wind?

(restate the question as a statement and include the answer in your statement)

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13. 00:04:43

What is drag?

(restate the question as a statement and include the answer in your statement)

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14. 00:05:57

In Bernoulli's principle, what happens to the pressure of a liquid as its speed increases?

(restate the question as a statement and include the answer in your statement)

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15. 00:06:06

What is air made up of?

(restate the question as a statement and include the answer in your statement)

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16. 00:06:40

Increased speed equals a _________________ in pressure.

(Copy this sentence into your STEM journal and fill in the blank)

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17. 00:07:42

What offsets drag and weight in an airplane?

(restate the question as a statement and include the answer in your statement)

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18. 00:07:59

What are the four aerodynamic forces of flight?

(restate the question as a statement and include the answer in your statement)

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