Discussion
Assertion (A): A stall can occur at any airspeed.
Reason (R): Stall depends on exceeding the critical angle of attack rather than on speed.
Select the correct answer from the options below.
Answer: D
Correct answer: Both A and R are true, and R is the correct explanation of A
Both are true and the reason is the whole point. The stall is a flow phenomenon governed by angle of attack, and that angle can be exceeded at any speed given enough load factor - which is what an accelerated stall is. The familiar published stalling speed applies only at one weight, in one configuration, in unaccelerated level flight.
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