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Aerdynamics midterm

Aspect Ratio of a wing is

the ratio of the wingspan to the average cord

The Law of Interaction states __________

For every action there is an equal and opposite reaction

The angle of attack of a wing is the angle between the wing's cord and the horizon

False

The Mean Camber Line

is a line drawn halfway between the upper and lower surface of an airfoil.

A moment is _________

created when a force is applied at some distance from an axis or fulcrum, producing rotation about that point

The General Gas Law sets the relationship between three properties of air: pressure (P), density (ρ), and temperature (T). It is expressed as an equation where R is a constant for any given gas. What is the correct expression of the General Gas Law.

ρ = P/RT

Which formula or equation describes the relationship between force (F), acceleration (a) and mass (m)?

F = ma

The center of gravity is the point at which __________

all weight is concentrated

The chord of an airfoil is defined as ___________

a measure of the wing along the chord line, from the leading edge to the trailing edge

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