Vectors. A vector is a graphic representation of a quantity that must be described using magnitude and direction. Examples of vector quantities are. Acceleration. Thrust. Lift. Weight. and. Drag. Vector Addition. When more than two forces acting on a point of origin.
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A vector is a graphic representation of a
quantity that must be described using
magnitude and direction.
Examples of vector quantities are
When more than two forces acting on a point of origin
Establish a point that
at which all forces
are considered to be
From the point of origin,
draw a vector corresponding to the magnitude and direction of one of the forces.
From the head of this vector
draw another vector showing
magnitude and direction of
another of the forces.
The resultant will be the same
regardless which order the
vectors are added.
Used to represent solutions when only two
forces are acting on an object.
Lift and drag vectors on an airfoil are good
examples of the parallelogram method of vector solution
parallel to reference plane
Total Aerodynamic Force
Draw second vector at appropriate
angle to first vector
by drawing opposite
sides parallel to known
Draw a line from the origin
of the two vectors to the
opposite corner of the parallelogram
The length of the line represents
the magnitude of the vector in the
Often used to solve navigation problems
From a point of origin, draw a vector corresponding to the direction and magnitude of one of the forces.
From the head of this vector, draw the other vector corresponding to the direction and magnitude of the other force.
From the point of origin, draw the resultant vector to the head of the last
100 KIAS Point A toward Point B
Wind (20 kts)
45° RT crosswind