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| Q.6 | The motion of lift from an airfoil, the air is deflected downwards by the airfoil’s action, and in reaction, the wing is pushed upward. Which Principle of physics is involved in this example? | |
| Ans | 1. Newton 2nd Law | |
| 2. Newton 1st Law | ||
| 3. Law of Inertia | ||
| 4. Newton 3rd Law |
Correct Ans: 4
