Which lift reduction occurs when bird feathers separate?

💡 Explanation

Lift degrades because flow separation increases parasitic drag; this is profile drag, therefore the stall speed rises leading to lift stall, rather than a decrease because cohesion along the structure is failing.

• Which outcome results from the endocrine gland failing during the larval stage?
• Which outcome impairs tuna migration when thermal stratification occurs?
• Which consequence occurs when a marine invertebrate's chitinous exoskeleton degrades, affecting water balance?
• Which outcome occurs when a hibernating groundhog briefly arouses and experiences vasodilation in its extremities?
• Which impact results when elevated atmospheric carbon dioxide causes partial stomatal closure in plants?
• Which consequence results when an inland taipan snake's venom degrades at high temperatures?