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Mass Communications – Bernoulli’s Principle And Newtons Laws Review
Test Description: Bernoulli’s Principle and Newtons Laws review for exam
Instructions: Answer all questions to get your test result.
1) The design of a wing
A
all answers are correct
B
Helps create lift
C
Creates a low pressure zone above the wing
D
Causes the air above the wing to travel faster than the air below the wing
2) A helium balloon will float in the air because
A
Helium is as dense as air
B
There is more air than helium
C
Helium is more dense than air
D
Helium is less dense than air
3) If you blow a steady stream of air between two sheets of paper, the papers will
A
move toward each other because the fast-moving air has a higher pressure than the air outside the pieces of paper
B
blow apart because the fast-moving air has a higher pressure than the air outside the pieces of paper.
C
move toward each other because the fast-moving air has a lower pressure than the air outside the pieces of paper.
D
blow apart because the fast-moving air has a lower pressure than the air outside the pieces of paper
4) Jet engines can create a great deal of ____, so the wings do not have to be very big
A
lift
B
drag
C
thrust
D
weight
5) Air travels ____ over the top of a wing
A
turbulently
B
the same speed as
C
slower
D
faster
6) Which of Newton's Three Laws does the following statement satisfy? The relationship between an object's mass (m), its acceleration (a), and the applied force F is F=ma. Acceleration and force are vectors.
A
All of the answers are right
B
Newton's First Law
C
Newton's Second Law
D
Newton's Third Law
7) Which of Newton's Three Laws does the following statement satisfy? For every action there is an equal and opposite reaction.
A
Newton's First Law
B
Newton's Third Law
C
Newton's Second Law
D
All of the answers are right
8) Which of Newton's Three Laws does the following statement satisfy? Every object in a state of motion tends to remain in that state of motion unless an external force is applied to it.
A
Newton's First Law
B
All of the answers are right
C
Newton's Third Law
D
Newton's Second Law
9) What is another name for the Newton's first law of motion?
A
Law of Velocity
B
Law of Acceleration
C
Law of Mass
D
Law of Inertia
10) Why is the top of an airplane's wing curved?
A
To make the wing look really cool
B
To create an area of low pressure above the wing
C
To create an area of low pressure below the wing
D
To create equal pressure above and below the wing
11) _________ is produced by air flowing over the wings and the angle of the wing into the wind.
A
Drag
B
Lift
C
Mass/Gravity
D
Thrust
12) _________ is the forward movement produced by an engine driven propeller, jet, or rocket engine.
A
Lift
B
Mass/Gravity
C
Drag
D
Thrust
13) _________ is the force that pulls an aircraft down.
A
Drag
B
Thrust
C
Lift
D
Mass/Gravity
14) _________ slows the forward movement of an aircraft.
A
Thrust
B
Mass/Gravity
C
Lift
D
Drag
*select an answer for all questions
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