Which of the following statements about flight is true?
A) Lift is produced to counteract drag.
B) Lift acts perpendicular to the direction of movement.
C) Lift and drag are independent of the angle of attack.
D) Low aspect ratio wings produce the most lift for the least amount of drag.
E) Upward flight requires that the downward pull of gravity be balanced by lift force.
Correct Answer:
Verified
Q3: For animals of the same mass, which
Q4: Cilia and flagella
A) are involved in non-muscular
Q5: Animals that are positively buoyant
A) can hover
Q6: All of the following are adaptations to
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Q9: Gliding flight is different from normal flapping
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Q11: Which of the following statements is false?
Q12: What major advantage is the evolution of
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