Kinematics Question 478
Question: Assertion: Improper banking of roads causes wear and tear of tyres. Reason: The necessary centripetal force is provided by the force of friction between the tyres and the road.
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 both are false.
E) If assertion is false but reason is true.
Show Answer
Answer:
Correct Answer: A
Solution:
When roads are not properly banked, force of friction between tyres and road provides partially the necessary centripetal force. this cause wear and tear of tyres.
