Mass Communications – Bernoulli’s Principle And Newtons Laws Review Question Preview (ID: 45023)
Bernoulli’s Principle And Newtons Laws Review For Exam.
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The design of a wing
a) all answers are correct
b) Causes the air above the wing to travel faster than the air below the wing
c) Helps create lift
d) Creates a low pressure zone above the wing
A helium balloon will float in the air because
a) Helium is less dense than air
b) Helium is more dense than air
c) Helium is as dense as air
d) There is more air than helium
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 lower pressure than the air outside the pieces of paper.
b) move toward each other because the fast-moving air has a higher pressure than the air outside the pieces of paper
c) blow apart 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 higher pressure than the air outside the pieces of paper.
Jet engines can create a great deal of ____, so the wings do not have to be very big
a) thrust
b) lift
c) drag
d) weight
Air travels ____ over the top of a wing
a) faster
b) slower
c) the same speed as
d) turbulently
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) Newton's Second Law
b) Newton's First Law
c) Newton's Third Law
d) All of the answers are right
Which of Newton's Three Laws does the following statement satisfy? For every action there is an equal and opposite reaction.
a) Newton's Third Law
b) Newton's First Law
c) Newton's Second Law
d) All of the answers are right
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) Newton's Third Law
c) Newton's Second Law
d) All of the answers are right
What is another name for the Newton's first law of motion?
a) Law of Inertia
b) Law of Acceleration
c) Law of Velocity
d) Law of Mass
Why is the top of an airplane's wing curved?
a) To create an area of low pressure above the wing
b) To make the wing look really cool
c) To create an area of low pressure below the wing
d) To create equal pressure above and below the wing
_________ is produced by air flowing over the wings and the angle of the wing into the wind.
a) Lift
b) Thrust
c) Drag
d) Mass/Gravity
_________ is the forward movement produced by an engine driven propeller, jet, or rocket engine.
a) Thrust
b) Lift
c) Drag
d) Mass/Gravity
_________ is the force that pulls an aircraft down.
a) Mass/Gravity
b) Thrust
c) Drag
d) Lift
_________ slows the forward movement of an aircraft.
a) Drag
b) Lift
c) Thrust
d) Mass/Gravity
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