Laws Of Motion Question 12
Aeroplanes do not always fly at low altitudes. Reason: According to Newton’s third law of motion, for every action there is an equal and opposite reaction.
Options:
A) If both assertion and reason are true and the reason is the correct explanation of the assertion.
B) If both assertion and reason are true but reason is not the correct explanation of the assertion.
C) If assertion is true but reason is false.
D) If the assertion and reason are both false.
Show Answer
Answer:
Correct Answer: A
Solution:
The wings of the aeroplane push the external air backward and the aeroplane moves forward by reaction of pushed air. At low altitudes density of air is high and so the aeroplane gets sufficient force to move forward.
BETA
