Mohamed Abbas, a science teacher at Senioritis.io

Mohamed Abbas
June 21, 2023
Mechanical Engineering

The Dynamics of Flight | Four Forces Acting on an Airplane

What are the four dynamic forces that act on an airplane during all maneuvers? (FAA‑H‑8083‑25) Lift—the upward acting force. Gravity—or weight, the downward acting force. Thrust—the forward...

Mohamed Abbas
June 21, 2023
Mechanical Engineering

Steady, Unaccelerated Flight in Airplanes.

What flight condition will result in the sum of the opposing forces being equal? (FAA‑H‑8083‑25) In steady-state, straight-and-level, unaccelerated flight, the sum of the opposing forces is...

Mohamed Abbas
June 21, 2023
Mechanical Engineering

Exploring the Science of Airfoils: The Key to Flight with Examples of Wings, Helicopter Rotors, Propeller Blades, and Turbine Blades

What is an airfoil? State some examples. (FAA‑H‑8083‑25) An airfoil is a device which gets a useful reaction from air moving over its surface, namely LIFT. Wings,...

Mohamed Abbas
June 21, 2023
Mechanical Engineering

Importance of Angle of Incidence in Aircraft Aerodynamics

What is the angle of incidence? (FAA‑H‑8083‑25) The angle of incidence is the angle formed by the longitudinal axis of the airplane and the chord of the...

Mohamed Abbas
June 21, 2023
Mechanical Engineering

Unlocking the Fundamentals of Aerodynamics: Role of Relative Wind in Flight

What is a relative wind? (FAA‑H‑8083‑25) The relative wind is the direction of the airflow with respect to the wing. When a wing is moving forward and...

Mohamed Abbas
June 21, 2023
Mechanical Engineering

How The Angle of Attack Affects Lift and Drag – Importance in Aircraft Performance and Safety

What is the angle of attack? (FAA‑H‑8083‑25) The angle of attack is the angle between the wing chord line and the direction of the relative wind; it...

Mohamed Abbas
June 21, 2023
Mechanical Engineering

Bernoulli’s Principle: The Science Behind Fluid Behavior and Lift Creation

What is Bernoulli’s Principle? (FAA‑H‑8083‑25) Bernoulli’s Principle—The pressure of a fluid (liquid or gas) decreases at points where the speed of the fluid increases. In the case...

Mohamed Abbas
June 21, 2023
Mechanical Engineering

Factors Affecting Lift and Drag in Aerodynamic Systems: Impact of Angle of Attack, Airfoil Shape, Air Density, Surface Area, Speed, Viscosity and Turbulence

What are several factors which will affect both lift and drag? Wing area—Lift and drag acting on a wing are roughly proportional to the wing area. A...