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Section 4.7 - Review Exercise (Answers)

Thank you ,

Match the following statements with the BEST response.

		Answer:
1.	Point at which weight is concentrated.	Center of gravity
2.	Created by the jet engine or propeller.	Thrust
3.	Force that pulls an aircraft toward the ground.	Gravity
4.	Point at which lift is concentrated.	Center of lift
5.	Created by air moving over an airfoil.	Induced lift
6.	Created by air impacting the bottom of the wing.	Dynamic lift
7.	Force that opposes thrust.	Drag

8. As the upper camber on a wing is increases, the lift is increases.

9. When the speed of the relative wind decreases, the induced lift is decreases.

10. When the angle of attack is increased, the lift is usually increases.

11. In straight and level flight at a constant speed, lift just balances weight and thrust just balances drag.

Place the letter of the option that BEST.

12. The type of drag that is a product of induced lift is called Newtonian drag.

13. All drag other than induced drag is called dynamic drag.

14. Aircraft are streamlined to reduce form drag.

15. The best way to decrease pressure drag would be to decrease the angle of attack.

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Updated: March 01, 1999