Laws Of Motion Question 6
Question: Assertion: The acceleration of a body down a rough inclined plane is greater than the acceleration due to gravity. Reason: The body is able to slide on a inclined plane only when its acceleration is greater than acceleration due to gravity.
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: D
Solution:
Acceleration down a rough inclined plane $ a=g(\sin \theta -\mu \ \cos \theta ) $ and this is less than g.
