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Instrument Flying Handbook Menu>Aerodynamic
Factors>Review
of Basic Aerodynamics>Newton’s Second Law
Newton’s Second Law of Motion is the
Law of Momentum, which states that a body will accelerate in
the same direction as the force acting upon that body, and the
acceleration will be directly proportional to the net force
and inversely proportional to the mass of the body. This law
governs the aircraft’s ability to change flightpath and
speed, which are controlled by attitude (both pitch and bank)
and thrust inputs. Speeding up, slowing down, entering climbs
or descents, and turning are examples of accelerations that
pilots control in everyday flight. [Figure 2-2]
Figure 2-2. Newton’s Second Law
of Motion: the Law of Momentum.
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