Will Bill Final

What is the pnemonic for Vectors?

VeFo Displacement AcWeMo

What is Newton’s 1st law?

A body at rest and a body in motion will remain in motion, in a straight line, unless acted upon by an unbalanced force.

What is Newton’s 2nd law?

If a body is acted on by an unbalanced force, the body will accelerate in the direction of the force and the acceleration will be directly proportional to the force and inversely proportional to the mass of the body. (F = ma)

What is Newton’s 3rd law?

For every action force there is an equal and opposite reaction force.

What is the symbol for total pressure?

H

What is the symbol for Mass Airflow?

Q

What is the symbol for Dynamic Pressure?

q

What is rho at sea level?

.002377 slugs/ft³

What is viscosity?

Internal friction causing resistance to the tendency to flow

What is the static sea level pressure in either pounds per square inch or pounds per square foot?

2,116 psf

What does .002377 represent?

standard sea level air density

What is True Altitude?

Altitude above sea level (MSL)

What is Pressure Altitude?

The theoretical altitude above a standard datum plane of 29.92

What is energy?

The ability to do work

Name the 4 forces acting on an aircraft

Lift, drag, thrust, weight

Name the 5 main forms of parasite drag.

Leakage, skin, interference, form, & pulse drag

What is the Critical Angle of Attack?

True or false? The airflow in the boundary layer is acted upon by two forces: frictional and adverse pressure gradient forces.

True

True or false? In an uncoordinated “slipping turn”, centrifugal force is greater than horizontal lift

False

Continuiy equation:

As it flows through a tigher area it speeds up and as it flows through larger area it slows down