What Do You Know About Flight Dynamics?

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  • 1/10 Questions

    What are the three aircraft principal axes?

    • Yaw, roll, and pull
    • Roll, push, and pull
    • Roll, pull, and yaw
    • Roll, pitch and yaw
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About This Quiz

In the science of flight, flight dynamics is a useful concept, along with a set of principles, widely used in aircraft, spacecraft, and satellites.
This concept uses the understanding of three quantities (force, speed, and time) to help scientists understand vehicles flying in outer space or through the air and their control, stability, and performance.

What Do You Know About Flight Dynamics? - Quiz

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  • 2. 
    In fixed-wing aircraft, which of these represents the angle of attack? - ProProfs

    In fixed-wing aircraft, which of these represents the angle of attack?

    • Alpha

    • Beta

    • Gamma

    • Trigonometric functions

    Correct Answer
    A. Alpha
    Explanation
    The angle of attack in fixed-wing aircraft refers to the angle between the oncoming airflow and the chord line of the wing. This angle, denoted by the Greek letter alpha, is crucial in determining the lift and drag forces acting on the aircraft. By adjusting the angle of attack, pilots can control the lift and therefore the altitude and speed of the aircraft. Beta, Gamma, and Trigonometric functions are not specifically related to the angle of attack in this context.

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  • 3. 
     Which of these forces is applied to spacecraft flight dynamics?  - ProProfs

     Which of these forces is applied to spacecraft flight dynamics? 

    • Momentum

    • Gravitational force

    • Frictional force

    • Air resistance

    • Impulse

    Correct Answer
    A. Gravitational force
    Explanation
    The gravitational force is applied to spacecraft flight dynamics. This force is responsible for keeping the spacecraft in orbit around a celestial body, such as the Earth or another planet. It is the force of attraction between the spacecraft and the celestial body it is orbiting. The gravitational force determines the trajectory and speed of the spacecraft, allowing it to maintain a stable orbit or travel to different celestial bodies.

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  • 4. 
    What are the critical parameters of flight dynamics called? - ProProfs

    What are the critical parameters of flight dynamics called?

    • Flight-time

    • Angle of rotation

    • The way of air

    • Angle of moment

    Correct Answer
    A. Angle of rotation
    Explanation
    The critical parameters of flight dynamics are called "Angle of rotation". These parameters refer to the angles at which an aircraft rotates around its various axes, such as roll, pitch, and yaw. The angle of rotation is crucial in determining the stability, control, and maneuverability of an aircraft during flight. It affects the aircraft's ability to maintain its desired flight path, perform turns, and recover from disturbances or maneuvers.

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  • 5. 
    Which of these does not act on a spacecraft? - ProProfs

    Which of these does not act on a spacecraft?

    • Air resistance

    • Gravitational force

    • Lift and drag

    • Propulsive force

    Correct Answer
    A. Air resistance
    Explanation
    Air resistance does not act on a spacecraft. Air resistance is the force that opposes the motion of an object through the air. However, in the vacuum of space, there is no air or atmosphere to create resistance. Therefore, spacecraft are not affected by air resistance and can travel freely without this force acting upon them.

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  • 6. 
    Which is the set of dynamics applied to flight vehicles?  - ProProfs

    Which is the set of dynamics applied to flight vehicles? 

    • Rotational and translational

    • Rotational and linear

    • Linear and translational

    • Circulatory and translational

    Correct Answer
    A. Rotational and translational
    Explanation
    The correct answer is rotational and translational. This is because flight vehicles, such as airplanes and helicopters, experience both rotational motion (around their center of gravity) and translational motion (in a straight line). Rotational motion is necessary for controlling the direction and stability of the vehicle, while translational motion allows the vehicle to move forward or backward. Therefore, both dynamics are applied to flight vehicles.

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  • 7. 
    What do the angles on the fixed-wing aircraft denote? - ProProfs

    What do the angles on the fixed-wing aircraft denote?

    • Vector direction of airspeed

    • Scalar direction of airspeed

    • Single direction of airspeed

    • Multiple directions of airspeed

    Correct Answer
    A. Vector direction of airspeed
    Explanation
    The angles on the fixed-wing aircraft denote the vector direction of airspeed. A vector quantity has both magnitude and direction, and in this case, the angle of the aircraft indicates the direction in which the air is flowing relative to the aircraft. This is important for the pilot to know, as it affects the aircraft's performance and control.

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  • 8. 
    Flight dynamics are used to study these factors except which one? - ProProfs

    Flight dynamics are used to study these factors except which one?

    • Momentum of vehicles flying through air

    • Performance of vehicles flying through air

    • Stability of vehicles flying through air

    • Control of vehicles flying through air

    Correct Answer
    A. Momentum of vehicles flying through air
    Explanation
    Flight dynamics is the study of various factors related to vehicles flying through the air, such as their performance, stability, and control. However, it does not specifically focus on the momentum of these vehicles. Momentum is a concept in physics that relates to the mass and velocity of an object, and while it may be relevant in certain aspects of flight, it is not a primary factor studied in flight dynamics.

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  • 9. 
    Which of these is the dominant force in spacecraft flight dynamics?  - ProProfs

    Which of these is the dominant force in spacecraft flight dynamics? 

    • Lift and drag

    • Gravitation

    • Air resistance

    • Propulsive

    Correct Answer
    A. Gravitation
    Explanation
    Gravitation is the dominant force in spacecraft flight dynamics because it is responsible for keeping the spacecraft in orbit around a celestial body, such as the Earth or the Moon. Gravitational forces determine the trajectory and speed of the spacecraft, as well as its ability to maintain a stable orbit. Lift and drag, air resistance, and propulsion are also important factors in spacecraft flight dynamics, but they are secondary to the gravitational force.

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  • 10. 
    In fixed-wing aircraft, which of these represents the angle of spaceship? - ProProfs

    In fixed-wing aircraft, which of these represents the angle of spaceship?

    • Alpha

    • Beta

    • Gamma

    • Trigonometric functions

    Correct Answer
    A. Beta
    Explanation
    In fixed-wing aircraft, the angle of spaceship is represented by the term "Beta".

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jun 18, 2018
    Quiz Created by
    AdeKoju
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