An Airplane Is Flying in Horizontal Flight at a Constant

question 71

Multiple Choice

An airplane is flying in horizontal flight at a constant velocity. The weight of the airplane is 40,000 N. The wings produce a lift force that is perpendicular to the wings and a drag force that is parallel to the wings. The engine produces a forward thrust force of 2,000 N. Which of the following statements is true?

• A) The lift force on the airplane is zero.
• B) The drag force on the airplane is zero.
• C) The lift force on the airplane is 42,000 N upward.
• D) The drag force on the airplane is 38,000 N downward.
• E) The drag force on the airplane is 2,000 N backward.

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Definitions:

Apollonian

Pertaining to the rational, ordered, and harmonious aspects of human nature, as opposed to the chaotic and irrational aspects often associated with Dionysus.

Dionysian Art

Artistic or aesthetic expression that emphasizes the irrational, chaotic, and spontaneous, as opposed to the rational and orderly, often associated with the influence of the Greek god Dionysus.

Banning

The act of officially or legally prohibiting something or someone.

Censoring

The act of suppressing or modifying content deemed offensive, sensitive, or unsuitable by authorities or organizations.