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Instrument Flying Handbook Menu>Aerodynamic
Factors>Review
of Basic Aerodynamics>Newton’s Third Law
Newton’s
Third Law of Motion is the Law of Reaction, which states that
for every action there is an equal and opposite reaction. As
shown in figure 2-3, the action of the jet engine’s thrust
or the pull of the propeller lead to the reaction of the aircraft’s
forward motion. This law is also responsible for a portion of
the lift that is produced by a wing, by the downward deflection
of the airflow around it. This downward force of the relative
wind results in an equal but opposite (upward) lifting force
created by the airflow over the wing.
Figure 2-3. Newton’s Third Law
of Motion: the Law of Reaction.
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