Question

1. What are the types of force acting on an airplane while it is flying? 2. Represent the direction of these forces diagrammatically. 3. How do an airplane overcome the forces acting on it? 4. Find out the types of metals/alloys used for the manufacture of airplanes. 5. List the physical properties of metals that are considered by engineers when they design airplanes

Answer 1

Answer:

1)These same four forces help an airplane fly. The four forces are lift, thrust, drag, and weight. As a Frisbee flies through the air, lift holds it up.

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Educator Features

Thrust is a force that moves an aircraft in the direction of the motion. ...

Drag is the force that acts opposite to the direction of motion.

2) Sorry don't know

3)Thrust and lift are artificially created forces used to overcome the forces of nature and enable an airplane to fly. Airplane engine and propeller combination is designed to produce thrust to overcome drag. Their wings are designed to produce lift to overcome gravity.

4)The metals used in the aircraft manufacturing industry include steel, aluminium, titanium and their alloys. Aluminium alloys are characterised by having lower density values compared to steel alloys (around one third), with good corrosion resistance properties

5) Of primary concern in aircraft maintenance are such general properties of metals and their alloys as hardness, malleability, ductility, elasticity, toughness, density, brittleness, fusibility, conductivity contraction and expansion, and so forth.

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