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WorksheetsPLTW Flight assessment
Total questions: 50
Worksheet time: 49mins
What force directly opposes the weight of the aircraft and holds the aircraft in the air?
weight
lift
thrust
drag
What force is a measure of gravity's pull on the aircraft?
weight
lift
thrust
drag
True or False:
the density of the air (how close the air particles are to each other) decreases as you fly higher
(a)
What is "A force applied to a body to propel it in a desired direction, the force which moves an aircraft or rocket."
drag
thrust
lift
weight
What is:
"Resistance of air against the forward movement of an airplane or rocket."
thrust
drag
lift
weight
When a force acts on an object, the force ______________________.
changes the motion of the object
is cancelled by another force
does not change the motion of an object
is equal to the weight of the object
The resistance of an object to any change in its movement is called ______________________.
inertia
friction
gravity
weight
According to Newton's second law of motion, force is equal to mass multiplied by ______________________.
inertia
weight
acceleration
direction
The image is an example of Newton's law...
1st Law
2nd Law
3rd Law
The image is an example of Newton's law...
1st Law
2nd Law
3rd Law
"For every action, there is an equal and opposite reaction."
First Law of Newton
Second Law of Newton
Third Law of Newton
Fourth Law of Newton
Force = Mass x Acceleration
Newton's First Law
Newton's Second Law
Newton's Third Law
Newton's Fourth Law
"An object in motion (or at rest) will remain in motion (or at rest) until an external force acts upon it."
First Law of Newton
Second Law of Newton
Third Law of Newton
Fourth Law of Newton
Any push or pull on an object.
force
speed
inertia
momentum
The force that opposes the movement between two surfaces in contact with each other.
inertia
friction
momentum
gravity
True or false?
The inertia of an object is affected by its mass.
False
True
If two unequal forces act on an object at the same time, the object will move in the direction in which the _______ force moves. (Second Law of Motion)
greater
lesser
equal
The force that pulls things towards the earth.
Speed
Gravity
How does friction affect speed?
more friction decreases speed
more friction increases speed
less friction decreases speed
less friction does not affect speed
In which of the following situations do balanced forces act on an object?
a book resting on a desk
an apple falling from a tree to the ground
a football player kicking the ball towards the goal
two teams in a tug of war that are moving the rope quickly
Which is longer, a nautical mile or a standard (or statute) mile?
nautical mile
standard mile
both are the same size
What is the difference between a balloon and a dirigible/zeppelin ?
How does a hot air balloon or dirigible/zeppelin work?
What happens if a strong wind blows on a lighter-than-air-craft
It does nothing
it can drift along with the wind (no control)
It will break the aircraft into pieces
Where did the wright brothers test their designs?
Cape Canaveral
Kitty Hawk
Area 51
Dayton Ohio
True or False:
The Wright Brothers were the inventors of flight, no one else had even thought of this before.
(a)
Explain this statement to me in your own words:
"Being able to fly an airplane means reducing drag as much as possible so that you can then use drag created by the control surfaces to control the aircraft"
In modern planes, the rudder and elevators are often together as the "tail" of the aircraft.
Where are these control surfaces located on the Wright Flyer?
What is the difference between these types of planes?
What is the name of the city WEST of Memphis?
(a)
What is the name of the city NORTH of Memphis?
(a)
During the Instant Design Challenge, your team used the Design Process to create a paper airplane.
Identify the step of the Design Process that matches the following task—The team had to take design considerations into account, such as how far the plane should fly and where it should land
Define the problem
Generate concepts
design solutions
build and test
Drag the 4 cardinal directions and 4 intermediate directions to their proper place on the compass rose
Pet Widgets, Inc. has designed a new dog harness as an accessibility tool for people with visual impairments to work with guide dogs. Research among guide dog owners shows that they require a harness that:
*Is a bright color
*Has a sturdy walking handle
*Has a sign that informs others that the animal is a service dog
Guide dog owners also prefer that the harness be comfortable for their animals and have a small pouch for holding items, such as keys and cell phones.
Which of the following designs best meets the design requirements?
A
B
C
D
Which of Newton’s Laws of Motion explains what is happening in this statement—An airplane was at rest on the runway, waiting in line for the planes ahead of it to take off. The pilot turns on the jet engines and the plane begins moving forward on the runway. The plane changed from a state of rest to being in motion as a result of the force of thrust.
Newton’s First Law
Newton’s Second Law
Newton’s Third Law
Which of Newton’s Laws of Motion explains what is happening in this statement—An airplane accelerates because of the force of thrust.
Newton’s First Law
Newton’s Second Law
Newton’s Third Law
Describe what happens to an airplane in flight when drag is greater than thrust.
Plane rises
Plane descends
Plane accelerates
Plane slows
When forming a team to solve a design challenge, why is it important to establish team norms before starting to work? Select all that apply.
To encourage productivity of the team
To decide who should do most of the work due to prior experience
To define how the team will function
To ensure that all team members are treated with respect and have a voice
As they create new airplane designs, aerospace engineers document their work.
Why is such documentation important? Select all that apply.
To provide future historians artifacts to exhibit in museums.
To know what worked and continue improving those designs.
To avoid making the same mistakes again.
To provide managers records for evaluating the progress of their workers.
Name the motion illustrated by the aircraft image.
pitch
yaw
roll
Name the motion illustrated by the aircraft image.
pitch
yaw
roll
Which action creates a difference in the lift on each wing, causing the plane to roll?
Moving the rudder left or right
Raising or lowering the elevators
Decreasing engine thrust
Raising one aileron and lowering the other aileron
When is a pilot likely to lower the elevators on an airplane?
When ascending to a higher altitude
When descending to a lower altitude
When taking off
After takeoff, when climbing and turning
Who will be the captain of this flight?
M. Lewis
G. Gonzalez
S. Hill
Who will be the first officer for this flight?
H. Sanchez
T. Morris
J. Reed
Who will be the first officer for this flight? Who will be the flight attendants for this flight? (Choose two)
C. Ross
P. Henderson
L. Jenkins
D. Ford
Who will be the flight attendants for this flight? (Choose two)
C. Ross
P. Henderson
L. Jenkins
D. Ford
Put the Design Process Steps in the correct order
Define the Problem
Generate concepts
Design a solution
Build and test
Evaluate the solution
A dispatcher is planning visual indicators and checkpoints for a 200-nautical-mile flight from El Paso, Texas to Albuquerque, New Mexico. A Google satellite terrain map will be used to select the checkpoints.
Use the Google satellite terrain map below to determine two visual checkpoints that would be useful for the pilot:
see image
None of the planes
The Eclipse plane
Eclipse, Pilatus, and King Air planes
