JEE Main Physics question

Physics Laws of Motion JEE Main

**Statement I:** An aeroplane is able to fly because of the lift force generated on its wings. **Statement II:** According to Newton's third law of motion, for every action there is an equal and opposite reaction.

(A)Statement I is true, Statement II is true; Statement II is a correct explanation for Statement ICorrect
(B)Statement I is true, Statement II is true; Statement II is not a correct explanation for Statement I
(C)Statement I is true, Statement II is false
(D)Statement I is false, Statement II is true

Answer: (A)

Solution

An aeroplane's wings deflect the oncoming air downward; by Newton's third law, the deflected air pushes back on the wings with an equal and opposite

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Question ID VK-153388